Work, energy and power

Work, energy and power Quiz

Spec 3.1 · Edexcel International A Level Further Maths: Quiz

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5 questions, one answer each

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  1. 1. Find the kinetic energy of a 12001200 kg car moving at 2020 m s−1^{-1}.

    • A. 1212 kJ
    • B. 2424 kJ
    • C. 240240 kJ
    • D. 480480 kJ

  2. 2. A car's resistance is 600600 N. Its maximum speed on a level road is 4040 m s−1^{-1}. Find the power of the engine.

    • A. 2424 kW
    • B. 1515 W
    • C. 2.42.4 kW
    • D. 240240 kW

  3. 3. A 55 kg block is pulled 44 m up a smooth plane inclined at 30∘30^\circ to the horizontal at constant speed. Find the work done by the pulling force.

    • A. 196196 J
    • B. 9898 J
    • C. 4949 J
    • D. 170170 J

  4. 4. A force of 2020 N pulls a block 55 m along a horizontal floor at 60∘60^\circ above the horizontal. Find the work done by the force.

    • A. 100100 J
    • B. 86.686.6 J
    • C. 5050 J
    • D. 2525 J

  5. 5. A 22 kg particle's speed changes from 33 m s−1^{-1} to 55 m s−1^{-1}. Find the work done on it.

    • A. 3434 J
    • B. 88 J
    • C. 44 J
    • D. 1616 J

Quiz