Motion The distance covered by the body between 30-40 seconds is
(1)
40m
(2)
50m
(3)
60m
(4)
20m
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 4 Solution : -. |
Motion Rate of change of angular velocity refer to :
(1) angular speed
(2) angular displacement
(3) angular acceleration
(4) None of these
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 3 Solution : -. |
Motion The velocity-time graph of an object moving in a fixed direction is shown in the figure below.
What do you conclude about the object?
(1) Moves with a constant speed.
(2) Moves with varying speeds.
(3) Moves with a non zero acceleration.
(4) Is at rest.
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 1 Solution : -. |
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
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 2 Solution : -. |
Motion The initial velocity of the free falling object is _____________?
(1) More
(2) Less
(3) Zero
(4) 9.8 m/s
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 3 Solution : -. |
Motion For a body performing motion with uniform speed, the distance-time graph is:
(1)
Straight line parallel to y-axis
(2)
Straight line inclined to the time axis
(3)
Straight line parallel to x-axis
(4)
Curved line
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 2 Solution : -. |
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
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 3 Solution : -. |
Motion A boy throws a ball up and catches it when the ball falls back. In which part
of the motion the ball is accelerating?
(1)
During downward motion
(2)
When the ball comes to rest
(3)
During upward motion
(4)
When the boy catches the ball
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 1 Solution : -. |
Motion A person takes time t to go once around a circular path of diameter 2R.
The speed (v) of this person would be -
(1) t / 2pR
(2) 2pR / t
(3) pR2 / t
(4) 2 pRt
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 2 Solution : -. |
Motion
In the distance-time graph of a cyclist, what is happening between B-C and C-D?
(1)
B-C: cyclist is coming back to where he started, C-D: cyclist is stationary.
(2)
B-C: cyclist is stationary, C-D: cyclist is accelerating.
(3)
cyclist is stationary, C-D- speed is increasing
(4)
B-C: cyclist is stationary, C-D: cyclist is coming back to where he started.
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 4 Solution : -. |
