| 1 |
Ball dropped freely from a towar reaches ground in 4 s, the speed of impact of ball is. |
- A. 2.45 m/s
- B. 39. 2 m/s
- C. 0 m/s
- D. 19. 6 m/s
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| 2 |
Gradient of the speed-time graph is equal to. |
- A. Speed
- B. distance covred
- C. Acceleration
- D. Velocity
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| 3 |
If a body does not change its position with respect to some fixed point, then it will be in a state of. |
- A. Motion
- B. Uniform motion
- C. Rest
- D. Variable motion
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| 4 |
If a cyclist has acceleration of 2 m/s2 for 5 seconds, the change in velocity of they cyclist is. |
- A. 15 m/s
- B. 10 m/s
- C. 2 m/s
- D. 20 m/s
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| 5 |
A body accelerates from rest to a velocity of 144 km h-1 in 20 seconds. The the distance covered by it is. |
- A. 100 m
- B. 1400 m
- C. 400 m
- D. 1440 m
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| 6 |
A girl walks 3 km towards west and 4 km towards south. What is the magnitude of her total disance and displacement respectively. |
- A. 7 km, 5 km
- B. 7 km, 7 km
- C. 1 km, 7 km
- D. 7 km, 1 km
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| 7 |
Area under speed-time graphi is equal to.............of moving body |
- A. Acceleration
- B. Distance
- C. Change in velocity
- D. Uniform velocity
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| 8 |
A body is moving with constnat acceleration strting from rest. It vovers a distance S in 4 seconds. How much time does it take to covr one-fourth of this distance. |
- A. 1 s
- B. 2 s
- C. 4 s
- D. 16 s
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| 9 |
The numerical ratio of displacemnt o distance is |
- A. Equal to or less than one
- B. Always greater than one
- C. Always equal to one
- D. Always less than one
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| 10 |
In 5 s a car accelerates so that its velocity increases by 20 m/s. The acceleration is |
- A. 0.25 m/s2
- B. 4 m/s2
- C. 100 m/s2
- D. 25 m/s2
|