[{"id":110279,"question":"Acceleration produced in a body by the force varies","choices":[{"text":"inversely as the applied force","value":"A"},{"text":"directly as the applied force","value":"B"},{"text":"directly as the mass of the body","value":"C"},{"text":"none of them","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":110278,"question":"Acceleration produced in a body by a force varies","choices":[{"text":"inversely as the applied force","value":"A"},{"text":"directly as the applied force","value":"B"},{"text":"directly as the mass of the body","value":"C"},{"text":"none of them","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":110277,"question":"A non-inertial frame of reference is that frame of reference in which","choices":[{"text":"<b>a</b> = 0","value":"A"},{"text":"<b>a</b> &gt; 0 or <b>a</b> &lt; 0","value":"B"},{"text":"<b>v</b> = 0","value":"C"},{"text":"none of them","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":110276,"question":"An inertial frame of reference is that frame of reference in which","choices":[{"text":"<b>a</b> = 0","value":"A"},{"text":"<b>a</b> &gt; 0","value":"B"},{"text":"<b>a</b> &lt; 0","value":"C"},{"text":"all of them","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":110275,"question":"Newton's laws are adequate for speeds that are","choices":[{"text":"low compared with the speed of light","value":"A"},{"text":"equal to the speed of light","value":"B"},{"text":"greater than the speed of light","value":"C"},{"text":"all of them","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":110274,"question":"Newton published laws of motion in his famous book \"principia\" in","choices":[{"text":"1867","value":"A"},{"text":"1667","value":"B"},{"text":"1676","value":"C"},{"text":"1687","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":110273,"question":"If the velocity of the body decreases non-uniformly then the slope of the velocity-time graph will have","choices":[{"text":"different values","value":"A"},{"text":"same values","value":"B"},{"text":"zero valves","value":"C"},{"text":"constant valves","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":110271,"question":"If the slope of the velocity-time graph increases at constant rate with time, then the body is said to have","choices":[{"text":"uniform deceleration","value":"A"},{"text":"uniform negative acceleration","value":"B"},{"text":"average acceleration","value":"C"},{"text":"uniform positive acceleration","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":110269,"question":"When a body is moving with uniform positive acceleration, the velocity- time graph is a straight line. Its slope is","choices":[{"text":"zero","value":"A"},{"text":"negative","value":"B"},{"text":"positive","value":"C"},{"text":"non-existing","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":110267,"question":"The three equation of motions are useful only for","choices":[{"text":"linear motion with increasing acceleration","value":"A"},{"text":"line motion with uniform acceleration","value":"B"},{"text":"linear motion with zero acceleration","value":"C"},{"text":"linear motion with varying acceleration","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":110266,"question":"A body starting from rest covers a distance of 0.45 Km and acquires a velocity of 300 Kmh<sup>-1</sup>. its acceleration will be","choices":[{"text":"7.71 m s<sup>-2</sup>","value":"A"},{"text":"0.5m s<sup>-2</sup>","value":"B"},{"text":"0.15m s<sup>-2</sup>","value":"C"},{"text":"0.092m s<sup>-2</sup>","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":110264,"question":"The area under line velocity-time graph is numerically equal to the","choices":[{"text":"speed of the body","value":"A"},{"text":"acceleration of the body","value":"B"},{"text":"distance covered by the body","value":"C"},{"text":"none of them","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":110261,"question":"The slopes of the tangent at any point on the curve gives the value of the","choices":[{"text":"average velocity at that point","value":"A"},{"text":"instantaneous velocity at that point","value":"B"},{"text":"average acceleration at that point","value":"C"},{"text":"instantaneous acceleration at that point","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":110259,"question":"When body moves with increasing acceleration, its velocity time graph is a","choices":[{"text":"straight line","value":"A"},{"text":"horizontal straight line","value":"B"},{"text":"vertical straight line","value":"C"},{"text":"curve","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":110257,"question":"Graphs which are used to illustrate the variation of velocity of an object with time are called","choices":[{"text":"distance time graphs","value":"A"},{"text":"speed time graphs","value":"B"},{"text":"velocity time graphs","value":"C"},{"text":"acceleration time graphs","value":"D"},{"value":"E"}],"correctAnswer":3}]