Entry Test MCQ :: Motion and Force
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| 1. |
When body is in motion, ________ always changes. |
| A. |
its velocity |
B. |
its acceleration |
| C. |
its position vector |
D. |
its momentum |
Answer: Option C
Explanation:
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| 2. |
A body is moving with uniform velocity. Its |
| A. |
speed changes |
B. |
acceleration changes |
| C. |
direction of motion changes |
D. |
displacement from origin changes |
Answer: Option D
Explanation:
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| 3. |
A man is in a car is moving with velocity of 36km/hr. His speed with repect to the car is |
Answer: Option C
Explanation:
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| 4. |
When velocity time graph is a straight line parallel to time axis then |
| A. |
acceleration is const |
B. |
acceleration is variable |
| C. |
acceleration is zero |
D. |
velocity is zero |
Answer: Option C
Explanation:
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| 5. |
Area under velocity time graph represent |
| A. |
force |
B. |
displacement |
| C. |
distance |
D. |
acceleration |
Answer: Option C
Explanation:
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| 6. |
Slope of velocity time graph is |
| A. |
acceleration |
B. |
distance |
| C. |
force |
D. |
momentum |
Answer: Option A
Explanation:
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| 7. |
Instantaneous and average velocities become equal when body |
| A. |
has zero acceleration |
B. |
has uniform acceleration |
| C. |
has variable acceleration |
D. |
moves in a circle |
Answer: Option A
Explanation:
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| 8. |
Which law of motion is also called law of inertia? |
| A. |
1st law |
B. |
2nd law |
| C. |
3rd law |
D. |
all 1st, 2nd and 3rd laws |
Answer: Option A
Explanation:
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| 9. |
Inertia of an object is quantitative measure of its |
| A. |
volume |
B. |
density |
| C. |
mass |
D. |
temperature |
Answer: Option C
Explanation:
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| 10. |
Newtons laws do not hold good for particles |
| A. |
at rest |
B. |
moving slowly |
| C. |
move with high velocity |
D. |
move with velocity comparable to velocity of light |
Answer: Option D
Explanation:
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