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
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 3 Solution : -. |
Motion The displacement-time graph for a body is given below. State whether the
velocity and acceleration of the body in the region DE are positive , negative
or Zero.

(1)
V= +v e but a=0
(2)
V = -ve and a = -ve
(3)
V = + ve and a = + ve
(4)
V = +ve and a = -ve
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 3 Solution : -. |
Motion The velocity time graph of two bodie s A and B traveling along the +x
direction are given in
the figure . Which body has a greater acceleration?

(1) Body A has a greater acceleration
(2) Body B has a greater acceleration
(3) Both A and B have same acceleration
(4) Acceleration cannot be predicted from the given graph
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 1 Solution : -. |
Motion

The acce le ration of the above velocity-time graph is:
(1) Non-uniform.
(2) Zero.
(3) One.
(4) Uniform.
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 2 Solution : -. |
Motion In 10 minutes, a car with speed of 60 kmh–1
travels a distance of -
(1) 6 km
(2) 600 km
(3) 10 km
(4) 7 km
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 3 Solution : -. |
Motion In which of the following graphs are both runners moving at the same speed?

(1)
Graph-C
(2)
Graph-A
(3)
Graph-D
(4)
Graph-B
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 3 Solution : -. |
Motion The slope of the distance-time graph is:
(1)
Distance
(2)
acceleration
(3)
Speed
(4)
Displacement
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 3 Solution : -. |
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
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 2 Solution : -. |
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
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 3 Solution : -. |
Motion A body starts to slide over a horizontal surface with an initial velocity of
0.2 m/s. Due to friction, its velocity decreases at the rate of 0.02 m/s2.
How much time will it take for the body to stop?
(1) 10 s
(2) 15s
(3) 1s
(4) 5s
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 1 Solution : -. |