{"id":41,"date":"2019-09-17T10:39:54","date_gmt":"2019-09-17T10:39:54","guid":{"rendered":"http:\/\/talib.pk\/test-preparation\/?p=41"},"modified":"2019-09-18T12:01:42","modified_gmt":"2019-09-18T12:01:42","slug":"physics-1st-year-chapter-2-vectors-and-equilibrium-mcqs-test","status":"publish","type":"post","link":"https:\/\/talib.pk\/test-preparation\/physics-1st-year-chapter-2-vectors-and-equilibrium-mcqs-test\/","title":{"rendered":"Physics 1st Year Chapter 2 Vectors and Equilibrium MCQs Test"},"content":{"rendered":"<div class=\"28d95f43054b69d67289d6316e9506d8\" data-index=\"1\" style=\"float: none; margin:12px 0 12px 0; text-align:center;\">\n<script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script>\r\n<!-- talib-new -->\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:block\"\r\n     data-ad-client=\"ca-pub-3438155045791616\"\r\n     data-ad-slot=\"6774242552\"\r\n     data-ad-format=\"auto\"><\/ins>\r\n<script>\r\n(adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script>\n<\/div>\n<p>Physics Chapter 2 is about the study of <strong>Vectors and Equilibrium<\/strong>. Vector is a quantity that has both Magnitude and Direction but Scalar has magnitude only. Coordinates of Vectors, Addition, Resultant, Multiplication, Subtraction, Unit, Null, Equal, Position Vectors describes the properties of Vectors. Vector Addition by Rectangular Components, Scalar Product, Vector Product, and Torque are also illustrated in this Chapter. Equilibrium occurs when all the forces or torques acting on a body are equal. \u00a0There are two conditions of Equilibrium including Equilibrium of Forces and Equilibrium of Torques.<\/p>\n<h3>1st Year Physics Chapter # 2 KEY POINTS<\/h3>\n<div class=\"box info  alignleft\" style=\"width:100%\"><div class=\"box-inner-block\"><i class=\"fa tie-shortcode-boxicon\"><\/i>\n\t\t\t\n<div class=\"lightbulb tie-list-shortcode\">\n<ul>\n<li>Vectors<\/li>\n<li>Rectangular Components of a vector<\/li>\n<li>Position Vector<\/li>\n<li>Vector Addition by Rectangular Components<\/li>\n<li>Scalar Product and Vector Product<\/li>\n<li>Torque<\/li>\n<li>Conditions of Equilibrium<\/li>\n<\/ul>\n<\/div>\n\t\t\t<\/div><\/div>\n<h2 style=\"text-align: center;\">1st year physics chapter 2 MCQs<\/h2>\n<p>&nbsp;<\/p>\n<p><strong><span style=\"color: #ff0000;\">Question #1: <\/span>\u00a0Rectangular coordinate system is also called?<\/strong><\/p>\n<ul>\n<li>Polar coordinate system<\/li>\n<li>Cartesian coordinate system<strong><br \/>\n<\/strong><\/li>\n<li>Cylindrical-coordinate system<\/li>\n<li>Spherical coordinate system<\/li>\n<\/ul>\n<div class=\"clear\"><\/div><div class=\"toggle close\"><h3 class=\"toggle-head-open\">Answer<i class=\"fa fa-angle-up\"><\/i><\/h3><h3 class=\"toggle-head-close\">Answer<i class=\"fa fa-angle-down\"><\/i><\/h3><div class=\"toggle-content\">\n\t\t\t<strong>Cartesian coordinate system<\/strong>\n\t\t\t<\/div><\/div>\n<p><strong><span style=\"color: #ff0000;\">Question #2:<\/span> . The direction of a vector in space is specified by?<\/strong><\/p>\n<ul>\n<li>One angle<\/li>\n<li>Two angle<\/li>\n<li>Three angle<\/li>\n<li>No angle<\/li>\n<\/ul>\n<div class=\"clear\"><\/div><div class=\"toggle close\"><h3 class=\"toggle-head-open\">Answer<i class=\"fa fa-angle-up\"><\/i><\/h3><h3 class=\"toggle-head-close\">Answer<i class=\"fa fa-angle-down\"><\/i><\/h3><div class=\"toggle-content\">\n\t\t\t <strong>Three angle<\/strong> \n\t\t\t<\/div><\/div>\n<p><strong><span style=\"color: #ff0000;\">Question #3:<\/span>\u00a0 Addition of vector obey?<\/strong><\/p>\n<ul>\n<li>Commutative law<\/li>\n<li>Distributive law<\/li>\n<li>Associative law<\/li>\n<li>All of these<\/li>\n<\/ul>\n<div class=\"clear\"><\/div><div class=\"toggle close\"><h3 class=\"toggle-head-open\">Answer<i class=\"fa fa-angle-up\"><\/i><\/h3><h3 class=\"toggle-head-close\">Answer<i class=\"fa fa-angle-down\"><\/i><\/h3><div class=\"toggle-content\">\n\t\t\t\u00a0<strong>All of these<\/strong> \n\t\t\t<\/div><\/div>\n<p><span style=\"font-weight: bold;\"><span style=\"color: #ff0000;\"><strong>Question #4:<\/strong>\u00a0<\/span><\/span><strong> Which of the following statement is correct about force and velocity?<\/strong><\/p>\n<ul>\n<li>Force and velocity both are scalars<\/li>\n<li>Force and velocity both are vectors<strong><br \/>\n<\/strong><\/li>\n<li>Force is scalar and velocity is vector<\/li>\n<li>Force is vector and velocity is scalar<\/li>\n<\/ul>\n<div class=\"clear\"><\/div><div class=\"toggle close\"><h3 class=\"toggle-head-open\">Answer<i class=\"fa fa-angle-up\"><\/i><\/h3><h3 class=\"toggle-head-close\">Answer<i class=\"fa fa-angle-down\"><\/i><\/h3><div class=\"toggle-content\">\n\t\t\t\u00a0<strong>Force and velocity both are vectors<\/strong> \n\t\t\t<\/div><\/div>\n<p><strong><span style=\"color: #ff0000;\">Question #5:<\/span>\u00a0 Unit vector n is along?<\/strong><\/p>\n<ul>\n<li>x-axis<\/li>\n<li>Normal on a surface<strong><br \/>\n<\/strong><\/li>\n<li>y-axis<\/li>\n<li>z-axis<\/li>\n<\/ul>\n<div class=\"clear\"><\/div><div class=\"toggle close\"><h3 class=\"toggle-head-open\">Answer<i class=\"fa fa-angle-up\"><\/i><\/h3><h3 class=\"toggle-head-close\">Answer<i class=\"fa fa-angle-down\"><\/i><\/h3><div class=\"toggle-content\">\n\t\t\t<strong>Normal on a surface <\/strong>\n\t\t\t<\/div><\/div>\n<p><strong><span style=\"color: #ff0000;\">Question #6:<\/span>\u00a0 Cos\u03b8 i + Sin\u03b8 j is a?<\/strong><\/p>\n<ul>\n<li>Vector<\/li>\n<li>Position vector<\/li>\n<li>A vector in the direction at angle \u03b8 with x-axis<\/li>\n<li>The unit vector in the direction at angle \u03b8 with x-axis<\/li>\n<\/ul>\n<div class=\"clear\"><\/div><div class=\"toggle close\"><h3 class=\"toggle-head-open\">Answer<i class=\"fa fa-angle-up\"><\/i><\/h3><h3 class=\"toggle-head-close\">Answer<i class=\"fa fa-angle-down\"><\/i><\/h3><div class=\"toggle-content\">\n\t\t\t<strong>Unit vector in the direction at angle \u03b8 with x-axis<\/strong><strong>\u00a0<\/strong>\n\t\t\t<\/div><\/div>\n<p><strong><span style=\"color: #ff0000;\">Question #7<\/span>. Maximum number of rectangular components are?<\/strong><\/p>\n<ul>\n<li>One<\/li>\n<li>Two<\/li>\n<li>Three<strong><br \/>\n<\/strong><\/li>\n<li>Infinite<\/li>\n<\/ul>\n<div class=\"clear\"><\/div><div class=\"toggle close\"><h3 class=\"toggle-head-open\">Answer<i class=\"fa fa-angle-up\"><\/i><\/h3><h3 class=\"toggle-head-close\">Answer<i class=\"fa fa-angle-down\"><\/i><\/h3><div class=\"toggle-content\">\n\t\t\t<strong>Three<\/strong><strong>\u00a0<\/strong>\n\t\t\t<\/div><\/div>\n<p><strong><span style=\"color: #ff0000;\">Question #8<\/span>. The maximum number of components of a vector maybe?<\/strong><\/p>\n<ul>\n<li>One<\/li>\n<li>Two<\/li>\n<li>Three<\/li>\n<li>Infinite<\/li>\n<\/ul>\n<div class=\"clear\"><\/div><div class=\"toggle close\"><h3 class=\"toggle-head-open\">Answer<i class=\"fa fa-angle-up\"><\/i><\/h3><h3 class=\"toggle-head-close\">Answer<i class=\"fa fa-angle-down\"><\/i><\/h3><div class=\"toggle-content\">\n\t\t\t<strong>Infinite<\/strong>\n\t\t\t<\/div><\/div>\n<p><strong><span style=\"color: #ff0000;\">Question #9<\/span>. Which one is not correct for a vector A = \u221a2i +\u221a2j?<\/strong><\/p>\n<ul>\n<li>has direction \u03b8 = 45\u00b0 with x-axis<\/li>\n<li>has magnitude<\/li>\n<li>has magnitude 2 and direction \u03b8 = 45\u00b0 with the y-axis<\/li>\n<li>has magnitude -2<\/li>\n<\/ul>\n<div class=\"clear\"><\/div><div class=\"toggle close\"><h3 class=\"toggle-head-open\">Answer<i class=\"fa fa-angle-up\"><\/i><\/h3><h3 class=\"toggle-head-close\">Answer<i class=\"fa fa-angle-down\"><\/i><\/h3><div class=\"toggle-content\">\n\t\t\t<strong>has magnitude -2<\/strong>\n\t\t\t<\/div><\/div>\n<p><strong><span style=\"color: #ff0000;\">Question #10<\/span>. The result of two forces of equal magnitudes is also equal to the magnitude of the forces. The angle between the two forces is?<\/strong><\/p>\n<ul>\n<li>30\u00b0<\/li>\n<li>60\u00b0<\/li>\n<li>90\u00b0<\/li>\n<li>120\u00b0<\/li>\n<\/ul>\n<div class=\"clear\"><\/div><div class=\"toggle close\"><h3 class=\"toggle-head-open\">Answer<i class=\"fa fa-angle-up\"><\/i><\/h3><h3 class=\"toggle-head-close\">Answer<i class=\"fa fa-angle-down\"><\/i><\/h3><div class=\"toggle-content\">\n\t\t\t<strong>1<\/strong><span style=\"font-weight: bold;\">20<\/span><strong>\u00b0<\/strong>\n\t\t\t<\/div><\/div>\n<p><strong><span style=\"color: #ff0000;\">Question #11<\/span>. What is the angle that the given vector makes with y-axis <\/strong><strong>A = 2i + \u221a.12 j?<\/strong><\/p>\n<ul>\n<li>30\u00b0<\/li>\n<li>60\u00b0<strong><br \/>\n<\/strong><\/li>\n<li>90\u00b0<\/li>\n<li>120\u00b0<\/li>\n<\/ul>\n<div class=\"clear\"><\/div><div class=\"toggle close\"><h3 class=\"toggle-head-open\">Answer<i class=\"fa fa-angle-up\"><\/i><\/h3><h3 class=\"toggle-head-close\">Answer<i class=\"fa fa-angle-down\"><\/i><\/h3><div class=\"toggle-content\">\n\t\t\t<strong>60\u00b0<\/strong>\n\t\t\t<\/div><\/div>\n<p><strong><span style=\"color: #ff0000;\">Question #12<\/span>. In which quadrant the two rectangular components of a vector have same sign?<\/strong><\/p>\n<ul>\n<li>1<sup>st<\/sup><\/li>\n<li>2<sup>nd<\/sup><\/li>\n<li>Both 1<sup>st<\/sup> and 3<sup>rd<\/sup><strong><br \/>\n<\/strong><\/li>\n<li>4<sup>th<\/sup><\/li>\n<\/ul>\n<div class=\"clear\"><\/div><div class=\"toggle close\"><h3 class=\"toggle-head-open\">Answer<i class=\"fa fa-angle-up\"><\/i><\/h3><h3 class=\"toggle-head-close\">Answer<i class=\"fa fa-angle-down\"><\/i><\/h3><div class=\"toggle-content\">\n\t\t\t<strong>Both 1<sup>st<\/sup> and 3<sup>rd<\/sup><\/strong>\n\t\t\t<\/div><\/div>\n<p><strong><span style=\"color: #ff0000;\">Question #13<\/span>. Two vectors A and B are making angle \u03b8 with each other. The scalar projection of vector B on vector A is written as?<\/strong><\/p>\n<ul>\n<li>A.B\/A<strong><br \/>\n<\/strong><\/li>\n<li>A.B\/B &#8211;<\/li>\n<li>A.cos\u03b8<\/li>\n<li>Both a and b are correct<\/li>\n<\/ul>\n<div class=\"clear\"><\/div><div class=\"toggle close\"><h3 class=\"toggle-head-open\">Answer<i class=\"fa fa-angle-up\"><\/i><\/h3><h3 class=\"toggle-head-close\">Answer<i class=\"fa fa-angle-down\"><\/i><\/h3><div class=\"toggle-content\">\n\t\t\t<strong>A.B\/A<\/strong>\n\t\t\t<\/div><\/div>\n<p><strong><span style=\"color: #ff0000;\">Question #14<\/span>. Two vectors are A = 3i + 2j \u2013 k and B = 3i \u2013 2j + k then?<\/strong><\/p>\n<ul>\n<li>B is antiparallel to A<strong><br \/>\n<\/strong><\/li>\n<li>B is inclined at 60\u00b0 with A<\/li>\n<li>B has a negative magnitude<\/li>\n<li>B is perpendicular to A<\/li>\n<\/ul>\n<div class=\"clear\"><\/div><div class=\"toggle close\"><h3 class=\"toggle-head-open\">Answer<i class=\"fa fa-angle-up\"><\/i><\/h3><h3 class=\"toggle-head-close\">Answer<i class=\"fa fa-angle-down\"><\/i><\/h3><div class=\"toggle-content\">\n\t\t\t<strong>B is antiparallel to A<\/strong>\n\t\t\t<\/div><\/div>\n<p><strong><span style=\"color: #ff0000;\">Question #15<\/span>. \u00a0Arc of a triangle formed by vectors i and (i &#8211; j) is?<\/strong><\/p>\n<ul>\n<li>1<\/li>\n<li>0<\/li>\n<li>\u00bd<span style=\"font-weight: 700 !important;\">\u00a0<\/span><strong><br \/>\n<\/strong><\/li>\n<li>Triangle cannot be formed by these vectors<\/li>\n<\/ul>\n<div class=\"clear\"><\/div><div class=\"toggle close\"><h3 class=\"toggle-head-open\">Answer<i class=\"fa fa-angle-up\"><\/i><\/h3><h3 class=\"toggle-head-close\">Answer<i class=\"fa fa-angle-down\"><\/i><\/h3><div class=\"toggle-content\">\n\t\t\t<strong>\u00bd<\/strong><span style=\"font-weight: 700 !important;\">\u00a0<\/span>\n\t\t\t<\/div><\/div>\n<p><strong><span style=\"color: #ff0000;\">Question #16<\/span>. Which of the following is a scalar quantity?<\/strong><\/p>\n<ul>\n<li>The braking force needed to stop the car<\/li>\n<li>The heat needed to boil some water<strong><br \/>\n<\/strong><\/li>\n<li>The effort needed to hammer a nail into wood<\/li>\n<li>The thrust needed to lift a rocket off the ground<\/li>\n<\/ul>\n<div class=\"clear\"><\/div><div class=\"toggle close\"><h3 class=\"toggle-head-open\">Answer<i class=\"fa fa-angle-up\"><\/i><\/h3><h3 class=\"toggle-head-close\">Answer<i class=\"fa fa-angle-down\"><\/i><\/h3><div class=\"toggle-content\">\n\t\t\t<strong>The heat needed to boil some water<\/strong>\n\t\t\t<\/div><\/div>\n<p><strong><span style=\"color: #ff0000;\">Question #17<\/span>. Which is not a correct relation?<\/strong><\/p>\n<ul>\n<li>A x B = A x B<\/li>\n<li>|A x B| = &#8211; |B x A|<strong><br \/>\n<\/strong><\/li>\n<li>A x B = ABSin\u03b8n<\/li>\n<li>B x A = ABSin\u03b8 (-n)<\/li>\n<\/ul>\n<div class=\"clear\"><\/div><div class=\"toggle close\"><h3 class=\"toggle-head-open\">Answer<i class=\"fa fa-angle-up\"><\/i><\/h3><h3 class=\"toggle-head-close\">Answer<i class=\"fa fa-angle-down\"><\/i><\/h3><div class=\"toggle-content\">\n\t\t\t<strong>|A x B| = &#8211; |B x A|<\/strong>\n\t\t\t<\/div><\/div>\n<p><strong><span style=\"color: #ff0000;\">Question #18<\/span>. Out of the following set of forces, the resultant of which triplet cannot be zero?<\/strong><\/p>\n<ul>\n<li>10, 10, 10<\/li>\n<li>10, 10, 20<\/li>\n<li>10, 20, 40<strong><br \/>\n<\/strong><\/li>\n<li>10, 20, 20<\/li>\n<\/ul>\n<div class=\"clear\"><\/div><div class=\"toggle close\"><h3 class=\"toggle-head-open\">Answer<i class=\"fa fa-angle-up\"><\/i><\/h3><h3 class=\"toggle-head-close\">Answer<i class=\"fa fa-angle-down\"><\/i><\/h3><div class=\"toggle-content\">\n\t\t\t<strong>10, 20, 40<\/strong>\n\t\t\t<\/div><\/div>\n<p><strong><span style=\"color: #ff0000;\">Question #19<\/span>. If east, west, north, south, up and down are representing the direction of unit vectors, then east x south has direction along?<\/strong><\/p>\n<ul>\n<li>West<\/li>\n<li>North<\/li>\n<li>Down<strong><br \/>\n<\/strong><\/li>\n<li>Up<\/li>\n<\/ul>\n<div class=\"clear\"><\/div><div class=\"toggle close\"><h3 class=\"toggle-head-open\">Answer<i class=\"fa fa-angle-up\"><\/i><\/h3><h3 class=\"toggle-head-close\">Answer<i class=\"fa fa-angle-down\"><\/i><\/h3><div class=\"toggle-content\">\n\t\t\t<strong>Down<\/strong>\n\t\t\t<\/div><\/div>\n<p>&nbsp;<\/p>\n<p><strong><span style=\"color: #ff0000;\">Question #20<\/span>. Null Vector is a vector which has?<\/strong><\/p>\n<ul>\n<li>Zero magnitude<\/li>\n<li>No specified direction<\/li>\n<li>Both a and b are correct<strong><br \/>\n<\/strong><\/li>\n<li>Both a and b are not correct<\/li>\n<\/ul>\n<div class=\"clear\"><\/div><div class=\"toggle close\"><h3 class=\"toggle-head-open\">Answer<i class=\"fa fa-angle-up\"><\/i><\/h3><h3 class=\"toggle-head-close\">Answer<i class=\"fa fa-angle-down\"><\/i><\/h3><div class=\"toggle-content\">\n\t\t\t<strong>Both a and b are correct<\/strong>\n\t\t\t<\/div><\/div>\n<p><strong><span style=\"color: #ff0000;\">Question #21<\/span>. Which one is a unit vector?<\/strong><\/p>\n<ul>\n<li>\u221a3i + \u221a3j + \u221a3k<\/li>\n<li>1\/\u221a3 i + 1\/\u221a3j + 1\/\u221a3 k<\/li>\n<li>\u221a3\/3 i + \u221a3\/3j + \u221a3\/3 k<\/li>\n<li>Both b and c are correct<\/li>\n<\/ul>\n<div class=\"clear\"><\/div><div class=\"toggle close\"><h3 class=\"toggle-head-open\">Answer<i class=\"fa fa-angle-up\"><\/i><\/h3><h3 class=\"toggle-head-close\">Answer<i class=\"fa fa-angle-down\"><\/i><\/h3><div class=\"toggle-content\">\n\t\t\t<strong>Both b and c are correct<\/strong>\n\t\t\t<\/div><\/div>\n<p><strong><span style=\"color: #ff0000;\">Question #22<\/span>. Angle between A = i and B = i \u2013 j is?<\/strong><\/p>\n<ul>\n<li>0\u00b0<\/li>\n<li>45\u00b0 <strong><br \/>\n<\/strong><\/li>\n<li>90\u00b0<\/li>\n<li>270\u00b0<\/li>\n<\/ul>\n<div class=\"clear\"><\/div><div class=\"toggle close\"><h3 class=\"toggle-head-open\">Answer<i class=\"fa fa-angle-up\"><\/i><\/h3><h3 class=\"toggle-head-close\">Answer<i class=\"fa fa-angle-down\"><\/i><\/h3><div class=\"toggle-content\">\n\t\t\t<span style=\"font-weight: 700 !important;\">45<\/span><strong>\u00b0<\/strong>\n\t\t\t<\/div><\/div>\n<p><strong><span style=\"color: #ff0000;\">Question #23<\/span>. The magnitude of the cross product of two vectors is equal to the dot product between them. The angle between the two vectors?<\/strong><\/p>\n<ul>\n<li>30\u00b0<\/li>\n<li>45\u00b0 <strong><br \/>\n<\/strong><\/li>\n<li>60\u00b0<\/li>\n<li>180\u00b0<\/li>\n<\/ul>\n<div class=\"clear\"><\/div><div class=\"toggle close\"><h3 class=\"toggle-head-open\">Answer<i class=\"fa fa-angle-up\"><\/i><\/h3><h3 class=\"toggle-head-close\">Answer<i class=\"fa fa-angle-down\"><\/i><\/h3><div class=\"toggle-content\">\n\t\t\t<span style=\"font-weight: 700 !important;\">45<\/span><strong>\u00b0<\/strong>\n\t\t\t<\/div><\/div>\n<p><strong><span style=\"color: #ff0000;\">Question #24<\/span>. An airplane flies 400m due north and then flies 300m south and then flies 1200m. The net displacement is?<\/strong><\/p>\n<ul>\n<li>1500m<\/li>\n<li>1200m<strong><br \/>\n<\/strong><\/li>\n<li>900m<\/li>\n<li>700m<\/li>\n<\/ul>\n<div class=\"clear\"><\/div><div class=\"toggle close\"><h3 class=\"toggle-head-open\">Answer<i class=\"fa fa-angle-up\"><\/i><\/h3><h3 class=\"toggle-head-close\">Answer<i class=\"fa fa-angle-down\"><\/i><\/h3><div class=\"toggle-content\">\n\t\t\t<strong>1200m<\/strong>\n\t\t\t<\/div><\/div>\n<p><strong><span style=\"color: #ff0000;\">Question #25<\/span>. A vector contains more information than a scalar. What is this extra information?<\/strong><\/p>\n<ul>\n<li>Acceleration<\/li>\n<li>Direction<\/li>\n<li>Size<\/li>\n<li>Resultant<\/li>\n<\/ul>\n<div class=\"clear\"><\/div><div class=\"toggle close\"><h3 class=\"toggle-head-open\">Answer<i class=\"fa fa-angle-up\"><\/i><\/h3><h3 class=\"toggle-head-close\">Answer<i class=\"fa fa-angle-down\"><\/i><\/h3><div class=\"toggle-content\">\n\t\t\t<strong>Direction<\/strong><strong>\u00a0<\/strong>\n\t\t\t<\/div><\/div>\n<p><strong><span style=\"color: #ff0000;\">Question #26<\/span>. Five equal forces of 10N each are applied at one point and all are lying in one place. If the angles between them are equal, the resultant force will be?<\/strong><\/p>\n<ul>\n<li>10N<\/li>\n<li>20N<\/li>\n<li>10 \u221a2 N<strong><br \/>\n<\/strong><\/li>\n<li>Zero<\/li>\n<\/ul>\n<div class=\"clear\"><\/div><div class=\"toggle close\"><h3 class=\"toggle-head-open\">Answer<i class=\"fa fa-angle-up\"><\/i><\/h3><h3 class=\"toggle-head-close\">Answer<i class=\"fa fa-angle-down\"><\/i><\/h3><div class=\"toggle-content\">\n\t\t\t<strong>Zero<\/strong>\n\t\t\t<\/div><\/div>\n<p><strong><span style=\"color: #ff0000;\">Question #27<\/span>. The torque acting on a body determines?<\/strong><\/p>\n<ul>\n<li>Acceleration<\/li>\n<li>Linear acceleration<\/li>\n<li>Angular acceleration<\/li>\n<li>The direction of motion of the body<\/li>\n<\/ul>\n<div class=\"clear\"><\/div><div class=\"toggle close\"><h3 class=\"toggle-head-open\">Answer<i class=\"fa fa-angle-up\"><\/i><\/h3><h3 class=\"toggle-head-close\">Answer<i class=\"fa fa-angle-down\"><\/i><\/h3><div class=\"toggle-content\">\n\t\t\t<span style=\"font-weight: 700 !important;\">Angular acceleration<\/span>\n\t\t\t<\/div><\/div>\n<p><span style=\"color: #ff0000;\">Question #28<\/span><span style=\"font-weight: bold;\">. The torque acting on a bod<\/span><strong>y determines?<\/strong><\/p>\n<ul>\n<li>[MLT<sup>-1<\/sup>]<\/li>\n<li>[ML<sup>2<\/sup>T<sup>-1<\/sup>]<\/li>\n<li>[ML<sup>2<\/sup>T<sup>-2<\/sup>]<\/li>\n<li>[ML<sup>2<\/sup>T]<\/li>\n<\/ul>\n<div class=\"clear\"><\/div><div class=\"toggle close\"><h3 class=\"toggle-head-open\">Answer<i class=\"fa fa-angle-up\"><\/i><\/h3><h3 class=\"toggle-head-close\">Answer<i class=\"fa fa-angle-down\"><\/i><\/h3><div class=\"toggle-content\">\n\t\t\t<strong>[ML<sup>2<\/sup>T<sup>-2<\/sup>]<\/strong>\n\t\t\t<\/div><\/div>\n<p><strong><span style=\"color: #ff0000;\">Question #29<\/span>. A body will be in complete equilibrium when it is satisfying?<\/strong><\/p>\n<ul>\n<li>1<sup>st<\/sup> condition of equilibrium<\/li>\n<li>2<sup>nd<\/sup> condition of equilibrium<\/li>\n<li>Both 1<sup>st<\/sup> and 2<sup>nd<\/sup> condition of equilibrium<\/li>\n<li>Impossible<\/li>\n<\/ul>\n<div class=\"clear\"><\/div><div class=\"toggle close\"><h3 class=\"toggle-head-open\">Answer<i class=\"fa fa-angle-up\"><\/i><\/h3><h3 class=\"toggle-head-close\">Answer<i class=\"fa fa-angle-down\"><\/i><\/h3><div class=\"toggle-content\">\n\t\t\t<strong>Both 1<sup>st<\/sup> and 2<sup>nd<\/sup> condition of equilibrium<\/strong>\n\t\t\t<\/div><\/div>\n<p><strong><span style=\"color: #ff0000;\">Question #30<\/span>. A body in equilibrium is?<\/strong><\/p>\n<ul>\n<li>At rest<\/li>\n<li>In motion<\/li>\n<li>At rest or in uniform motion<strong><br \/>\n<\/strong><\/li>\n<li>All are correct<\/li>\n<\/ul>\n<div class=\"clear\"><\/div><div class=\"toggle close\"><h3 class=\"toggle-head-open\">Answer<i class=\"fa fa-angle-up\"><\/i><\/h3><h3 class=\"toggle-head-close\">Answer<i class=\"fa fa-angle-down\"><\/i><\/h3><div class=\"toggle-content\">\n\t\t\t<strong>At rest or in uniform motion<\/strong>\n\t\t\t<\/div><\/div>\n<p><strong><span style=\"color: #ff0000;\">Question #31<\/span>. Three coplanar forces acting on a body keep it in equilibrium. They should therefore be?<\/strong><\/p>\n<ul>\n<li>Concurrent<strong><br \/>\n<\/strong><\/li>\n<li>Non-concurrent<\/li>\n<li>Parallel<\/li>\n<li>Non-parallel<\/li>\n<\/ul>\n<div class=\"clear\"><\/div><div class=\"toggle close\"><h3 class=\"toggle-head-open\">Answer<i class=\"fa fa-angle-up\"><\/i><\/h3><h3 class=\"toggle-head-close\">Answer<i class=\"fa fa-angle-down\"><\/i><\/h3><div class=\"toggle-content\">\n\t\t\t<strong>Concurrent<\/strong>\n\t\t\t<\/div><\/div>\n<p><strong><span style=\"color: #ff0000;\">Question #32<\/span>. Which of the following pairs does not have identical dimensions?<\/strong><\/p>\n<ul>\n<li>Torque and energy<\/li>\n<li>Momentum and impulse<\/li>\n<li>Energy and work<\/li>\n<li>Mass and moment of inertia<\/li>\n<\/ul>\n<div class=\"clear\"><\/div><div class=\"toggle close\"><h3 class=\"toggle-head-open\">Answer<i class=\"fa fa-angle-up\"><\/i><\/h3><h3 class=\"toggle-head-close\">Answer<i class=\"fa fa-angle-down\"><\/i><\/h3><div class=\"toggle-content\">\n\t\t\t<strong>Mass and moment of inertia<\/strong>\n\t\t\t<\/div><\/div>\n<p><strong><span style=\"color: #ff0000;\">Question #33<\/span>. A central force is that which?<\/strong><\/p>\n<ul>\n<li>Can produce torque<\/li>\n<li>Can\u2019t produce torque<\/li>\n<li>Some time can produce torque some time can\u2019t<\/li>\n<li>Has no relation with torque<\/li>\n<\/ul>\n<div class=\"clear\"><\/div><div class=\"toggle close\"><h3 class=\"toggle-head-open\">Answer<i class=\"fa fa-angle-up\"><\/i><\/h3><h3 class=\"toggle-head-close\">Answer<i class=\"fa fa-angle-down\"><\/i><\/h3><div class=\"toggle-content\">\n\t\t\t<strong>Can\u2019t produce torque<\/strong>\n\t\t\t<\/div><\/div>\n<p><strong><span style=\"color: #ff0000;\">Question #34<\/span>. It is easier to turn a steering wheel with both hands than with a single hand because?<\/strong><\/p>\n<ul>\n<li>Acceleration force increase on the wheel<\/li>\n<li>Two forces act on the wheel<\/li>\n<li>Two hands provide a firm grip<\/li>\n<li>The couple acts on the wheel<\/li>\n<\/ul>\n<div class=\"clear\"><\/div><div class=\"toggle close\"><h3 class=\"toggle-head-open\">Answer<i class=\"fa fa-angle-up\"><\/i><\/h3><h3 class=\"toggle-head-close\">Answer<i class=\"fa fa-angle-down\"><\/i><\/h3><div class=\"toggle-content\">\n\t\t\t<strong>Couple acts on the wheel<\/strong>\n\t\t\t<\/div><\/div>\n<p><strong><span style=\"color: #ff0000;\">Question #35<\/span>. A force of 10N is acting along the y-axis. Its component along the x-axis is?<\/strong><\/p>\n<ul>\n<li>Zero<\/li>\n<li>10N<\/li>\n<li>100N<\/li>\n<li>5N<\/li>\n<\/ul>\n<div class=\"clear\"><\/div><div class=\"toggle close\"><h3 class=\"toggle-head-open\">Answer<i class=\"fa fa-angle-up\"><\/i><\/h3><h3 class=\"toggle-head-close\">Answer<i class=\"fa fa-angle-down\"><\/i><\/h3><div class=\"toggle-content\">\n\t\t\t<strong>Zero<\/strong>\n\t\t\t<\/div><\/div>\n<p><strong><span style=\"color: #ff0000;\">Question #36<\/span>. The unit vector in the direction of vector A = 2i &#8211; 2j + k is?<\/strong><\/p>\n<ul>\n<li>2i \u2013 2j + k\/2<\/li>\n<li>2i \u2013 2j + k\/9<\/li>\n<li>2i \u2013 2j + k\/3<\/li>\n<li>2i \u2013 2j + k\/5<\/li>\n<\/ul>\n<div class=\"clear\"><\/div><div class=\"toggle close\"><h3 class=\"toggle-head-open\">Answer<i class=\"fa fa-angle-up\"><\/i><\/h3><h3 class=\"toggle-head-close\">Answer<i class=\"fa fa-angle-down\"><\/i><\/h3><div class=\"toggle-content\">\n\t\t\t<strong>2i \u2013 2j + k\/3<\/strong>\n\t\t\t<\/div><\/div>\n<p><strong><span style=\"color: #ff0000;\">Question #37<\/span>. The magnitude of i.jxk is?<\/strong><\/p>\n<ul>\n<li>0<\/li>\n<li>1<strong><br \/>\n<\/strong><\/li>\n<li>-1<\/li>\n<li>i<\/li>\n<\/ul>\n<div class=\"clear\"><\/div><div class=\"toggle close\"><h3 class=\"toggle-head-open\">Answer<i class=\"fa fa-angle-up\"><\/i><\/h3><h3 class=\"toggle-head-close\">Answer<i class=\"fa fa-angle-down\"><\/i><\/h3><div class=\"toggle-content\">\n\t\t\t<strong>1<\/strong>\n\t\t\t<\/div><\/div>\n<p><strong><span style=\"color: #ff0000;\">Question #38:<\/span> In which quadrant only, the value of \u2018tan\u2019 will be positive?<\/strong><\/p>\n<ul>\n<li>First<\/li>\n<li>Second<\/li>\n<li>Third<\/li>\n<li>Both 1st and 3<sup>rd<\/sup><\/li>\n<\/ul>\n<div class=\"clear\"><\/div><div class=\"toggle close\"><h3 class=\"toggle-head-open\">Answer<i class=\"fa fa-angle-up\"><\/i><\/h3><h3 class=\"toggle-head-close\">Answer<i class=\"fa fa-angle-down\"><\/i><\/h3><div class=\"toggle-content\">\n\t\t\t<strong>Both 1st and 3<sup>rd<\/sup><\/strong>\n\t\t\t<\/div><\/div>\n<p>&nbsp;<\/p>\n<p><strong><span style=\"color: #ff0000;\">Question #39:<\/span> The cross product of two vectors is zero when?<\/strong><\/p>\n<ul>\n<li>They are parallel vectors<\/li>\n<li>They are anti-parallel vectors<\/li>\n<li>They are perpendicular vectors<\/li>\n<li>Both a and b are correct<\/li>\n<\/ul>\n<div class=\"clear\"><\/div><div class=\"toggle close\"><h3 class=\"toggle-head-open\">Answer<i class=\"fa fa-angle-up\"><\/i><\/h3><h3 class=\"toggle-head-close\">Answer<i class=\"fa fa-angle-down\"><\/i><\/h3><div class=\"toggle-content\">\n\t\t\t<strong>Both a and b are correct<\/strong>\n\t\t\t<\/div><\/div>\n<p>&nbsp;<\/p>\n\n<div style=\"font-size: 0px; height: 0px; line-height: 0px; margin: 0; padding: 0; clear: both;\"><\/div>","protected":false},"excerpt":{"rendered":"<p>Physics Chapter 2 is about the study of Vectors and Equilibrium. Vector is a quantity that has both Magnitude and Direction but Scalar has magnitude only. Coordinates of Vectors, Addition, Resultant, Multiplication, Subtraction, Unit, Null, Equal, Position Vectors describes the properties of Vectors. Vector Addition by Rectangular Components, Scalar Product, Vector Product, and Torque are &hellip;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[3],"tags":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/talib.pk\/test-preparation\/wp-json\/wp\/v2\/posts\/41"}],"collection":[{"href":"https:\/\/talib.pk\/test-preparation\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/talib.pk\/test-preparation\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/talib.pk\/test-preparation\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/talib.pk\/test-preparation\/wp-json\/wp\/v2\/comments?post=41"}],"version-history":[{"count":0,"href":"https:\/\/talib.pk\/test-preparation\/wp-json\/wp\/v2\/posts\/41\/revisions"}],"wp:attachment":[{"href":"https:\/\/talib.pk\/test-preparation\/wp-json\/wp\/v2\/media?parent=41"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/talib.pk\/test-preparation\/wp-json\/wp\/v2\/categories?post=41"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/talib.pk\/test-preparation\/wp-json\/wp\/v2\/tags?post=41"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}