[{"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},{"id":110256,"question":"Bodies failing freely under gravity provide good example of motion under","choices":[{"text":"non-uniform acceleration","value":"A"},{"text":"uniform acceleration","value":"B"},{"text":"variable acceleration","value":"C"},{"text":"increasing acceleration","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":110255,"question":"The decrease in velocity per unit time is called","choices":[{"text":"deceleration","value":"A"},{"text":"acceleration","value":"B"},{"text":"uniform acceleration","value":"C"},{"text":"variable acceleration","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":110254,"question":"A body moving with uniform velocity has","choices":[{"text":"positive acceleration","value":"A"},{"text":"negative acceleration","value":"B"},{"text":"infinite acceleration","value":"C"},{"text":"zero acceleration","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":110253,"question":"If the values of instantaneous and average velocities are equal, the body is said to be moving with","choices":[{"text":"uniform acceleration","value":"A"},{"text":"uniform speed","value":"B"},{"text":"variable velocity","value":"C"},{"text":"uniform velocity","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":110252,"question":"Acceleration of a body is negative if the velocity of the body is","choices":[{"text":"constant","value":"A"},{"text":"increasing","value":"B"},{"text":"decreasing","value":"C"},{"text":"none of them","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":110251,"question":"Acceleration of a body is positive, if the velocity of the body is","choices":[{"text":"constant","value":"A"},{"text":"increasing","value":"B"},{"text":"decreasing","value":"C"},{"text":"none of them","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":110250,"question":"Acceleration of a body at any particular instant during its motion is known as","choices":[{"text":"average acceleration","value":"A"},{"text":"uniform acceleration","value":"B"},{"text":"instantaneous acceleration","value":"C"},{"text":"all of them","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":110248,"question":"The direction of the acceleration is the same as that of","choices":[{"text":"speed","value":"A"},{"text":"velocity","value":"B"},{"text":"both of them","value":"C"},{"text":"none of them","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":110247,"question":"Velocity of a body changes if","choices":[{"text":"direction of the body changes","value":"A"},{"text":"speed of the body changes","value":"B"},{"text":"neither speed nor direction changes","value":"C"},{"text":"either speed or direction changes","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":110246,"question":"If the instantaneous velocity of a body does not change. the body is said to be moving with","choices":[{"text":"average velocity","value":"A"},{"text":"uniform velocity","value":"B"},{"text":"instantaneous velocity","value":"C"},{"text":"variable velocity","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":110245,"question":"The instantaneous velocity is define as the limiting value of Δd/Δt on the time intervalΔt approaches to","choices":[{"text":"zero","value":"A"},{"text":"maximum","value":"B"},{"text":"minimum","value":"C"},{"text":"infinity","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":110243,"question":"The velocity of a body at any instant of its motion is known as","choices":[{"text":"average velocity","value":"A"},{"text":"instantaneous velocity","value":"B"},{"text":"uniform velocity","value":"C"},{"text":"none of them","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":110242,"question":"If a ball comes back to its starting point after bouncing off the wall several times, then its","choices":[{"text":"total displacement is zero","value":"A"},{"text":"average velocity is zero","value":"B"},{"text":"none of them","value":"C"},{"text":"both of them","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":110241,"question":"When we consider the average velocity of a body, then the body is moving in","choices":[{"text":"straight line","value":"A"},{"text":"curved path","value":"B"},{"text":"may be in a straight or curved path","value":"C"},{"text":"none of them","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":110240,"question":"If d is the displacement of the body in time t, then its average velocity will be","choices":[{"text":"<b>V</b><sub>av</sub>= <b>d</b> x t","value":"A"},{"text":"<b>V</b><sub>av = t/<b>d</b></sub>","value":"B"},{"text":"<b>V</b><sub>av = d/t</sub>","value":"C"},{"text":"<b>V</b><sub>av = <b>d</b>/t</sub>","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":110237,"question":"Dimensions of velocity are","choices":[{"text":"[L]","value":"A"},{"text":"[T]","value":"B"},{"text":"[LT<sup>-1</sup>]","value":"C"},{"text":"[LT<sup>-2</sup>]","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":110235,"question":"Velocity is a","choices":[{"text":"scalar quantity","value":"A"},{"text":"vector quantity","value":"B"},{"text":"constant quantity","value":"C"},{"text":"none of them","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":110233,"question":"The direction of velocity is along the direction of","choices":[{"text":"distance","value":"A"},{"text":"displacement","value":"B"},{"text":"acceleration","value":"C"},{"text":"all of them","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":110231,"question":"The displacement coincides with the path of the motion when a body moves is a","choices":[{"text":"curved line","value":"A"},{"text":"straight line","value":"B"},{"text":"may be curved or straight","value":"C"},{"text":"none of them","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":110230,"question":"The magnitude of the displacement is a line from initial position to final position which is","choices":[{"text":"straight","value":"A"},{"text":"curved","value":"B"},{"text":"either be curved or straight","value":"C"},{"text":"none of them","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":110227,"question":"A change in position of a body from its initial position to its final position is known as","choices":[{"text":"relative motion","value":"A"},{"text":"displacement","value":"B"},{"text":"distance","value":"C"},{"text":"acceleration","value":"D"},{"value":"E"}],"correctAnswer":2}]