CBSE - Motion

1 Motion Rest and motion are _____________ terms.

(1) non-relative
(2) same
(3) relative
(4) all the above

2 Motion A body of mass 2 kg is moving on a smooth floor in straight line with a uniform velocity of 10 m/s. Resultant force acting on the body is -


(1) 20 N
(2) 10 N
(3) 2 N
(4) zero

3 Motion A body is moving along a straight line at 20 ms^–1 undergoes an acceleration of 4 ms After 2 s, its speed will be-

(1)  8 ms^–1
(2)  12 ms^–1
(3)  16 ms^–1
(4)  28 ms^–1

4 Motion Without actually calculating the speed, can you guess in which time interval is the body moving fastest?

(1) 20-40 s
(2) 40-50 s
(3) 90-100 s
(4) 80-90 s

5 Motion The distance travelled by a body is directly proportional to the time, then the body is said to have -

(1)  Zero speed
(2)  Zero velocity
(3)  Constant speed
(4)  None of these

6 Motion At the top of its path a projectile has
(1) no acceleration
(2) acceleration in the upward direction
(3) acceleration in the downward direction
(4) acceleration in the horizontal direction

7 Motion The distance-time graph below shows that an object is moving with:

(1) Uniform acceleration
(2) Non-uniform speed
(3) Uniform speed
(4) Zero speed, that is at rest

8 Motion For a constant acceleration, the nature of velocity-time graph is:


(1) Graph-B
(2) Graph-D
(3) Graph-C
(4) Graph-A

9 Motion 
Which motion does the graph of distance and time shows for accelerated motion?
(1) Non-uniformly accelerated
(2) Constant accelerated
(3) Uniformly accelerated
(4) Uniformly retarded motion

10 Motion The speed-time graph for a particle moving at constant speed is a straight-line ________ to the time axis.

(1) perpendicular
(2) parallel
(3) inclined
(4) aligned