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
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 4 Solution : -. |
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.
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 1 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 In figure BC represents a body moving-
(1) Backwards with uniform velocity 
(2) Forward with uniform velocity
(3) Backward with non-uniform velocity
(4) Forward with
non-uniform velocity
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 1 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 A car accelerates uniformly from 18 km/h to 36km/ h in 5 s. The acceleration in ms–2
is -
(1) 1
(2) 2
(3) 3
(4) 4
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 1 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 : -. |
Motion The velocity-time graph of a body moving in a straight line is shown in figure. The displacement and distance travelled by
the body in 6 second are respectively-
(1) 8m , 16m
(2) 16m, 8m
(3) 16m, 16m
(4) 8m, 8m
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 1 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 : -. |
