2 When a body is dropped freely near the Earth's surface, its acceleration is: A Zero B 9.8 m/s² upward C 9.8 m/s² downward D Variable
3 When a body is in free fall, its acceleration is: A Zero B Equal to g, directed upward C Equal to g, directed downward D Equal to 2g, directed downward
4 On a distance-time graph, a straight line parallel to the time axis shows that the body is: A At rest B Moving with uniform speed C Accelerating D Decelerating
5 A body moves in a circle with constant speed. Its motion is: A Uniform velocity B Uniform acceleration C Accelerated motion D Rest
6 A body is said to be at rest if it does not change its: A Mass B Position with respect to its surroundings C Shape D Volume
8 If the velocity of a body decreases with time, its acceleration is: A Positive B Zero C Negative D Uniform
10 The motion of a wheel of a moving bicycle is an example of: A Translational motion only B Rotational motion only C Both translational and rotational motion D Vibrational motion
11 The motion of a spinning top is an example of ____ motion. A Translational B Rotational C Vibrational D Random
12 A body is said to be at rest if it does not change its _____ with respect to its surroundings. A Mass B Position C Speed D Shape
14 A body is said to be at rest if it: A Changes its position with time B Does not change its position with time C Moves in a circle D Moves with constant speed
15 The area under a speed-time graph represents: A Acceleration B Distance covered C Force applied D Momentum
16 A body moving along a circular path has: A Translational motion B Rotational motion C Circular motion D Vibrational motion
17 If a body moves 4 m east then 3 m west, its displacement is: A 7 m east B 1 m east C 1 m west D 7 m west
18 The acceleration of a body is negative when its velocity: A Increases with time B Decreases with time C Remains constant D Is zero
19 When a body moves with uniform velocity, its acceleration is: A Positive B Negative C Zero D Variable
20 The motion of smoke particles in air is an example of: A Translational motion B Rotational motion C Random motion D Vibrational motion
22 A scalar quantity has ____. A Magnitude only B Direction only C Both magnitude and direction D Neither magnitude nor direction
23 A body is said to be at rest if its position with respect to a frame of reference: A Changes with time B Does not change with time C Increases with time D Decreases with time
25 A body is said to be in uniform motion if it covers: A Equal distances in equal intervals of time B Unequal distances in equal intervals of time C Equal distances in unequal intervals of time D No distance at all