Quantities and S.I. units in mechanics

Quantities and S.I. units in mechanics Quiz

Spec 6.1 · Edexcel A-Level Maths: Quiz

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5 questions, one answer each

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  1. 1. Convert 9090 km h−1^{-1} to m s−1^{-1}.

    • A. 2525 m s−1^{-1}
    • B. 324324 m s−1^{-1}
    • C. 1.51.5 m s−1^{-1}
    • D. 9090 m s−1^{-1}

  2. 2. A box has mass 12 kg. Taking g=9.8g=9.8 m s−2^{-2}, what is its weight?

    • A. 12 kg
    • B. 117.6117.6 N
    • C. 1.21.2 N
    • D. 2.452.45 N

  3. 3. Which is a derived quantity?

    • A. Mass
    • B. Time
    • C. Length
    • D. Moment

  4. 4. Which pair gives the base units of a newton?

    • A. kg m s−1^{-1}
    • B. kg m2^2 s−2^{-2}
    • C. kg m s−2^{-2}
    • D. kg s−2^{-2}

  5. 5. A 'light, inextensible string' means the string...

    • A. has negligible mass and does not stretch
    • B. has mass but does not stretch
    • C. has no mass and stretches freely
    • D. is rough and does not stretch

Quiz