1:
A mass M is moving with a constant velocity parallel to the x axis. Its angular momentum with respect to the origin

Options:

- is zero
- remains constant
- goes on increasing
- goes on decreasing

Answer: Option 2

Explanation:

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2:
During an accelerated motion of a particle

Options:

- average velocity of the particle is always less than its final velocity
- average velocity of the particle is always greater than its final velocity
- average velocity of the particle may be zero also
- average velocity of the particle is half its final velocity

Answer: Option 3

Explanation:

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3:
A ball is thrown up unde gravity (g=10 m/s2). Find its velocity after 1 second at a height of 10 m

Options:

- 5 m/s2
- 5 m/s
- 10 m/s
- 15 m/s

Answer: Option 2

Explanation:

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4:
A car moving with the speed of 10 m/s takes a circular turn of radius 20 m. The magnitude of the acceleration of the car is

Options:

- 5.0 m/s2
- 50 m/s2
- 0.25 m/s2
- 0.5 m/s2

Answer: Option 1

Explanation:

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5:
A particle moves in a circle of radius 30 cm its linear speed is given by v=2t where t is second and v in m/s. Find out its radial tangential acceleration at t=3s respectively

Options:

- 220 m/s2, 50 m/s2
- 100 m/s2, 5 m/s2
- 120 m/s2, 2 m/s2
- none of these

Answer: Option 3

Explanation:

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6:
A particle with uniform acceleration describes 24 m and 52 m in two successive seconds. Its initial velocity will be

Options:

- 1 m/s
- 10 m/s
- 5 m/s
- 2 m/s

Answer: Option 2

Explanation:

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7:
The distance travelled by a freely falling body in 5th second will be

Options:

- 150 m
- 100 m
- 45 m
- 25 m

Answer: Option 3

Explanation:

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8:
A car moving with speed 30 km/h is stopped in distance 8m by breaks. If a car is travelling at 60 km/h the car will be stopped by applying same break power in distance

Options:

- 8m
- 16m
- 24 m
- 32 m

Answer: Option 4

Explanation:

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9:
A body is projected vertically upward with initial velocity u and after ascending a height of 20 m comes back to initial position. The time to remain in the air is ----- seconds.

Options:

- 2
- 1
- 4
- 3

Answer: Option 3

Explanation:

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10:
A body is projected vertically upward with initial velocity u and after ascending a height of 20 m comes back to initial position. The initial velocity is

Options:

- 10m /s
- 20 m/s
- 40 m/s
- 0

Answer: Option 2

Explanation:

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