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Class 9 Physics · Chapter 2 · Test 5

Free Fall

25 MCQs • Practice free fall, gravitational acceleration, vertical motion, motion equations, and numerical problems using the supplied Class 9 Physics Mechanics chapter.

MCQs

25 questions · 20 min · 25 marks

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Sample questions

The first 5 of 25. Try each one, then tap to see the answer.

  1. Question 1

    What is free fall?

    • AMotion under gravity alone
    • BMotion under friction alone
    • CMotion at constant speed only
    • DMotion caused only by air resistance
    Show answer

    Answer: A

    A freely falling body moves under the action of gravity.

  2. Question 2

    What symbol represents gravitational acceleration in the textbook?

    • Aa
    • Bg
    • Cv
    • Ds
    Show answer

    Answer: B

    Gravitational acceleration is represented by the symbol g.

  3. Question 3

    What approximate value of gravitational acceleration should be used for problems near Earth according to the textbook?

    • A5 m/s^2
    • B9.8 m/s^2
    • C10 m/s^2
    • D20 m/s^2
    Show answer

    Answer: C

    The textbook uses 10 m/s^2 for convenience in calculations.

  4. Question 4

    What is the direction of gravitational acceleration for a freely falling body?

    • AUpward
    • BDownward
    • CHorizontal
    • DAlong the direction of the wind
    Show answer

    Answer: B

    Gravitational acceleration acts downward toward Earth.

  5. Question 5

    A stone is dropped from rest. What is its initial velocity?

    • A10 m/s
    • B9.8 m/s^2
    • C0 m/s
    • D1 m/s
    Show answer

    Answer: C

    A body dropped from rest has an initial velocity of zero.

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