CBSE - Motion

1 Motion In a given velocity-time graph, what happens to velocity between C and D?

(1) Velocity is infinite
(2) Velocity is decreasing
(3) Velocity is increasing
(4) Velocity is constant

2 Motion Area between speed-time graph and time axis gives-

(1)  Distance
(2)  Velocity
(3)  Speed
(4)  None of these

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 When the distance travelled by an object is directly proportional to the time, it is said to travel with-

(1)  zero velocity
(2)  constant speed
(3)  constant acceleration
(4)  uniform velocity

5 Motion The brakes applied to a car produce a negative acceleration of 6ms^–2  If the car stops after 2 seconds, the initial velocity of the car is -

(1)  6 ms^–1
(2)  12 ms^–1
(3)  24 ms^–1
(4)  Zero

6 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.

7 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

8 Motion Distance covered by a body from velocity-time graph is
(1) Equal to the slope of the graph.
(2) Area under the graph .
(3) Is de note d by a line parallel to the time axis at any point on the distance axis.
(4) Is denoted by a line parallel to the distance axis at any point on the time axis

9 Motion Which of the following figures represent uniform motion of a moving object correctly?


ans 1


3. In a distance-time graph, if the line is horizontal, then the object is:
(1) Accelerating
(2) Speeding up
(3) At rest
(4)  Slowing down

10 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