Weight and motion under gravity

Weight and motion under gravity Quiz

Spec 8.3 · Edexcel A-Level Maths: Quiz

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  1. 1. Find the weight of a 55 kg mass on Earth, with g=9.8g=9.8 m s−2^{-2}.

    • A. 55 N
    • B. 0.510.51 N
    • C. 4949 N
    • D. 490490 N

  2. 2. A ball is thrown vertically upwards at 2020 m s−1^{-1}. Taking g=10g=10 m s−2^{-2}, find its greatest height.

    • A. 1010 m
    • B. 2020 m
    • C. 4040 m
    • D. 22 m

  3. 3. A stone is dropped from rest and falls for 33 s. Find its speed, with g=9.8g=9.8 m s−2^{-2}.

    • A. 29.429.4 m s−1^{-1}
    • B. 14.714.7 m s−1^{-1}
    • C. 44.144.1 m s−1^{-1}
    • D. 3.273.27 m s−1^{-1}

  4. 4. An astronaut takes a rock from Earth to the Moon. Which quantity stays the same?

    • A. The weight
    • B. Both the mass and the weight
    • C. Neither the mass nor the weight
    • D. The mass

  5. 5. A ball thrown upwards is at its highest point. What is its acceleration?

    • A. Zero
    • B. 9.89.8 m s−2^{-2} upwards
    • C. 9.89.8 m s−2^{-2} downwards
    • D. 19.619.6 m s−2^{-2} downwards

Quiz