Practice test

Motion, force and gravitation (laws) - Test Set 3

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

    If an object moves at a non-zero constant acceleration for a certain interval of time, then the distance it covers in that time
    1. depends on its initial velocity
    2. is independent of its initial velocity
    3. increases linearly with time
    4. depends on its initial displacement
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  2. Question 2

    During the motion of a projectile fired from the earth's surface,
    1. its kinetic energy remains constant
    2. its momentum remains constant
    3. vertical component of its velocity remains constant
    4. horizontal component of its velocity remains constant
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  3. Question 3

    If an object moves in a circular path with uniform _________, its motion is called uniform circular motion.
    1. time
    2. speed
    3. velocity
    4. acceleration
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  4. Question 4

    A car undergoes a uniform circular motion. The acceleration of the car is
    1. zero
    2. non-zero but not a constant
    3. a non-zero constant
    4. None of the above
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  5. Question 5

    An Iron ball and a wooden ball of the same Mass are released from a height h in air. Neglecting viscous drag of air
    1. Iron ball will hit the ground earlier
    2. Wooden ball will hit the fround earlier
    3. There is equal probability for the wooden and Iron ball to hit the ground earlier
    4. Both will reach theground at the same time
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  6. Question 6

    An object moving with constant speed on a horizontal surface will not have
    1. Velocity
    2. Momentum
    3. Kinetic energy
    4. Acceleration
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  7. Question 7

    When a loaded and an empty trucks of identical specifications, are moving with same velocity, more force is required to stop the loaded truck. Which of the following Laws is proved by this action?
    1. Newton's first law of motion
    2. Newton's second law of motion
    3. Newton's third law of motion
    4. Gravitational law
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  8. Question 8

    The nature of motion of a sewing machine is
    1. Circular motion
    2. Translational motion
    3. Oscillatory motion
    4. Rotational motion
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  9. Question 9

    A heavy body and a light body have equal Kinetic energy. Then
    1. heavy body has greater momentum
    2. light body has greater momentum
    3. both have equal momentum
    4. both have same angular momentum
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  10. Question 10

    A pendulum clock that keeps correct time on the earth, is taken to moon. It will then run
    1. at correct rate
    2. 6 times faster
    3. v6 times faster
    4. v6 times slower
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  11. Question 11

    The waves production by motor boat sailing on water are
    1. transverse
    2. longitudinal
    3. longitudinal and transverse
    4. stationary
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  12. Question 12

    If a pendulum clock be taken from the equator to the poles, it will
    1. Run slow
    2. Run fast
    3. Given the same times
    4. stop altogether
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  13. Question 13

    A watch based on an oscillating spring is taken from the earth to the moon. It will-
    1. Run slow
    2. Sun fast
    3. Given the same time
    4. Stop altogether
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  14. Question 14

    Ink of a pen leaks in an Aeroplane because
    1. Atmospheric pressure increases
    2. Presure of Ink inside in more then the outside pressure
    3. High speed of Aeroplane
    4. Temperature difference
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  15. Question 15

    The Weight of an iron ball on earth is 12 Kg. its weight on moon will be
    1. 18 Kg
    2. 9 Kg
    3. 12 Kg
    4. 2 Kg
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  16. Question 16

    The Periodic time of a Pendulum depends on
    1. Its length
    2. Density of its Bob
    3. Shape of its Bob
    4. Volume of its Bob
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  17. Question 17

    A man presses the earth least when he is
    1. Standing
    2. Sitting
    3. Running
    4. Lying flat
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  18. Question 18

    Which of the following is the Weakest force?
    1. Nuclear force
    2. Electromagnetic force
    3. Gravitational force
    4. Electrostatic force
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  19. Question 19

    Weight of a man is more
    1. On the equator
    2. At poles
    3. At the centre of the earth
    4. In space
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  20. Question 20

    A rocket leaves the earth, lands on the moon and returns to earth. It will require the maximum energy to-
    1. Rise from the earth
    2. Land on the moon
    3. Fise from the moon
    4. Land on the earth
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