Practice test

Motion, force and gravitation (laws) - Test Set 6

Review 13 exam-focused questions with detailed explanations, then start the interactive test when you are ready.

13 questions

Questions and explanations

  1. Question 1

    Which of the following statements is correct?
    1. Rolling friction is greater than the sliding friction.
    2. The frictional force exerted by fluids is called drag.
    1. Only 1
    2. Neither 1 and 2
    3. Both 1 and 2
    4. Only 2
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  2. Question 2

    The measure of the force that can cause an object to rotate about an axis is called ___________ .
    1. Power
    2. Moment of inertia
    3. Centripetal force
    4. Torque
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  3. Question 3

    The forces exerted on a body during a short period are known as-
    1. Impulse
    2. Pressure
    3. Surface tension
    4. Tensile stress
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  4. Question 4

    Power exerted by an object moving in a straight line is equal to Force multiplied by _________ .
    1. Velocity
    2. Work
    3. Acceleration
    4. Displacement
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  5. Question 5

    What is another name for center-seeking force?
    1. Van der Walls
    2. Centrifugal
    3. Gravitational
    4. Centripetal
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  6. Question 6

    Which among the following is NOT a non-contact force?
    1. Gravitational
    2. Electrostatic
    3. Friction
    4. Nagnetic
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  7. Question 7

    Which law of Newton provides a quantitative definition of force?
    1. Universal law of gravitation
    2. Second law of motion
    3. First law of motion
    4. Third law of motion
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  8. Question 8

    The range of _________ force is of the order of 10-16 m.
    1. electromagnetic
    2. gravitational
    3. strong nuclear
    4. weak nuclear
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  9. Question 9

    What is SI unit of force?
    1. Newton
    2. Watt
    3. Volt
    4. Joule
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  10. Question 10

    Which of the following is NOT an example of Inertia at rest?
    1. Falling down of dust particle while dusting cloth
    2. The detachment of leaves/fruits due to shaking
    3. Falling down backward when a vehicle starts immediately
    4. The sudden application of brakes in a vehicle
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  11. Question 11

    What happens when two forces act in the opposite directions on an object?
    1. The net force acting on the object is the difference between the two forces
    2. The net force acting on the object is the difference between the two objects
    3. The net force acting on the object is the total of the two forces
    4. The net force acting on the object is the sum of the two objects
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  12. Question 12

    When a sailor jumps out of a rowing boat, the boat moves backwards.
    This represents:
    1. the First Law of Motion
    2. the Second Law of Motion
    3. the Third Law of Motion
    4. None of the above
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  13. Question 13

    Which of the following is the correct relationship?
    1. F = a/m
    2. F = m/a
    3. F = m2a
    4. F = ma
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