CBSE - Motion

1 Motion Which of the following graphs shows that the body is at rest?


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

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 Distance-time graph of two objects A and B are shown below.

(1) Which statement is true for the speed of object A and B ?
(2) Speed of object A is greater than object B
Speed of object A is smaller than object B
(3) Both have same speed
(4) Speed of Object A is double the speed of object B.

4 Motion 

In a circular path of radius 1 m, a mass of  2 kg moves with a constant speed of 10 ms^–1 .The angular speed in radian/sec. is -
(1) 5
(2) 10
(3) 15
(4) 20

5 Motion A body starts from rest at time t = 0, the acceleration time graph is shown in figure. The maximum velocity attained by the body will be :

(1) 110 m/s
(2) 55 m/s
(3) 650 m/s
(4) 550 m/s

6 Motion What is the position of the body in the time interval 60-70 seconds?

(1) 15 m
(2) 5 m
(3) 10 m
(4) 20 m

7 Motion The correct velocity-time graph for zero acceleration is:

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

8 Motion What is the slope of distance-time graph when object is at rest?
(1) Decreases continuously
(2) Zero
(3) Increases continuously
(4) One

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

10 Motion  A car travels (1 / 4) ^th of a circle with radius r.  The ratio of the distance to its displacement is-