Practice test

Motion, force and gravitation (laws) - Test Set 5

Review 20 exam-focused questions with detailed explanations, then start the interactive test when you are ready.

20 questions

Questions and explanations

  1. Question 1

    ___________ is the change in velocity per unit time.
    1. Acceleration
    2. Momentum
    3. Force
    4. Inertia
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  2. Question 2

    For a body moving with uniform acceleration its final velocity equals-
    1. average velocity – initial velocity
    2. 2 × average velocity – initial velocity
    3. 2 × average velocity + initial velocity
    4. average velocity + initial velocity
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  3. Question 3

    If an object moves with constant velocity, then which one of the following statement is not correct?
    1. Its motion is along a straight line.
    2. Its speed changes with time.
    3. Its acceleration is zero.
    4. Its displacement increases linearly with time.
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  4. Question 4

    A passenger in a moving train tosses a five rupees coin. If the coin falls behind him, then the train must be moving with a uniform
    1. acceleration
    2. deceleration
    3. speed
    4. velocity
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  5. Question 5

    The first equation of motion gives the relation between
    1. position and time
    2. velocity and time
    3. position and velocity
    4. velocity and acceleration
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  6. Question 6

    The second equation of motion gives the relation between
    1. velocity and time
    2. position and time
    3. position and velocity
    4. velocity and acceleration
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  7. Question 7

    The motion of a freely falling body is an example of _________ accelerated motion.
    1. non-uniformly
    2. uniquely
    3. uniformly
    4. specially
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  8. Question 8

    The distance-time graph for the motion of an object moving with a constant speed is a
    1. dot
    2. circle
    3. curve
    4. straight line
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  9. Question 9

    The motion of _________ body is an example of uniformly accelerated motion.
    1. resting
    2. decelerating
    3. parabolic
    4. freely falling
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  10. Question 10

    Motion of an object is __________ if its velocity is constant.
    1. only accelerating
    2. only decelerating
    3. non-uniform
    4. uniform
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  11. Question 11

    ___________ time graph shows speed of an object.
    1. distance
    2. velocity
    3. Displacement
    4. Acceleration
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  12. Question 12

    Acceleration is equal to the rate of change of ___________ .
    1. momentum
    2. position
    3. displacement
    4. velocity
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  13. Question 13

    Which of the following device is used to measure the distance traveled by the vehicle?
    1. Tachometer
    2. Odometer
    3. Speedometer
    4. Fuel Guage
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  14. Question 14

    When an object is moving with constant speed in a straight line, its acceleration:
    1. is zero
    2. is negative
    3. is ppsitive
    4. can not be determined
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  15. Question 15

    Which of the following is the correct formula for the moment of Inertia?
    1. I = m/r2
    2. I = 2mr
    3. I = mr2
    4. I = rm
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  16. Question 16

    Newton's first law of motion is also known as __________ .
    1. Law of magnitude
    2. Law of reaction
    3. Law of inertia
    4. Law of masses
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  17. Question 17

    Which type of friction is considered as a self-adjusting force?
    1. Kinetic Friction
    2. Centripetal Friction
    3. Rolling Friction
    4. Static Friction
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  18. Question 18

    The substances which reduce friction are called __________ .
    1. fluids
    2. magnets
    3. springs
    4. lubricants
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  19. Question 19

    Which of the following is the correct order of Friction ?
    1. Static > Rolling > Sliding
    2. Rolling > Static > Sliding
    3. Static > Sliding > Rolling
    4. Sliding > Static > Rolling
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  20. Question 20

    Identify the correct statement about Inertia.
    1. Greater the mass, greater the inertia
    2. Lesser the weight, greater the inertia
    3. Lesser the mass, greater the inertia
    4. greater the mass, lesser inertia
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