CBSE - Motion

1 Motion The distance travelled by the body between 0 to 20 seconds?

(1) 260m
(2) 160m
(3) 300m
(4) 60m

2 Motion This is a velocity-time graph when the body is under:

(1) Non-uniform retardation.
(2) Uniform acceleration.
(3) Uniform retardation.
(4) Non-uniform acceleration.

3 Motion 

The figure above shows distance-time graphs of two objects X and Y. Which object is mov ing
with greater speed?

(1) Both objects are at rest
(2) Both objects are moving with same speed
(3) Object Y
(4) Object X

4 Motion On the distance-time graph, the Y-axis should be labelled as:
(1) Distance
(2) Displacement
(3) Speed
(4) Time

5 Motion Rate of change of angular velocity refer to :

(1)  angular speed
(2)  angular displacement
(3)  angular acceleration
(4)  None of these

6 Motion The distance covered by the body between 30-40 seconds is

(1) 40m
(2) 50m
(3) 60m
(4) 20m

7 Motion A quantity has a value of -16 m/s² . It is be the :
(1) Acceleration of an object.
(2) Retardation of an object.
(3) Velocity of an object.
(4) Speed of an object.

8 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

9 Motion An athlete complete one round of a circular track of diameter 200 m in 40 s. What will be the displacement at the end of 2 minutes 40 s. ?

(1)  2200 m
(2)  220 m
(3)  22 m
(4)  Zero

10 Motion Which sentence best describes the athlete whose distance-time graph is shown below?

(1) The athlete ran forward for 3 seconds, and then he ran backward for 3 more seconds.
(2) The athlete ran forward for 3 seconds, and then he stood still for 3 more seconds.
(3) The athlete ran forward for 3 seconds, and then he ran forward for 3 more seconds but with a lower speed.
(4) The athlete ran forward for 3 seconds, and then he moved forward for 3 more seconds with a greater speed.