Motion The area under a velocity-time graph is represented by the unit:
(1) m
(2) m-1
(3) m3
(4) m2
| 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 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
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 2 Solution : -. |
Motion Which sentence best describes the athlete whose distance-time graph is shown below?
(1)
The athlete ran forward for 3 seconds, and then he ran backward for 3 more
seconds.
(2)
The athlete ran forward for 3 seconds, and then he stood still for 3 more
seconds.
(3)
The athlete ran forward for 3 seconds, and then he ran forward for 3 more
seconds but with
a lower speed.
(4)
The athlete ran forward for 3 seconds, and then he moved forward for 3 more
seconds with a greater
speed.
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 3 Solution : -. |
Motion The distance travelled by a body is directly proportional to the time, then the body is said to have -
(1) Zero speed
(2) Zero velocity
(3) Constant speed
(4) None of these
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 3 Solution : -. |
Motion Velocity-time graph AB (Figure) shows that the body has-
(1) A uniform acceleration 
(2) A non uniform retardation
(3) Uniform speed
(4) Initial velocity OA and is moving with uniform retardation
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 4 Solution : -. |
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 For the velocity time graph shown in figure,
the distance covered by the body in the last two seconds of its motion is what fraction of the total distance covered in all the seven seconds ?
(1) 1/2
(2) 1/4
(3) 1/3
(4) 2/3
| 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 : -. |
