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1.7.2 Work done

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Question 5

A student performs four different physical activities. In which of these activities is the greatest amount of work done? (Take the acceleration due to gravity, g=10 m s−2g = 10\text{ m s}^{-2}g=10 m s−2.)

A

lifting a 2.5 kg2.5\text{ kg}2.5 kg mass vertically through a height of 2.0 m2.0\text{ m}2.0 m

B

pushing an object through a horizontal distance of 15 m15\text{ m}15 m against a frictional force of 6 N6\text{ N}6 N

C

lifting a 4.0 kg4.0\text{ kg}4.0 kg mass vertically through a height of 1.5 m1.5\text{ m}1.5 m

D

pulling an object through a horizontal distance of 10 m10\text{ m}10 m against a resistive force of 7 N7\text{ N}7 N

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1.7.2 Work done Questions

  1. IGCSE
  2. /Physics
  3. /1.7.2 Work done

67 exam-style questions on CIE IGCSE Physics 1.7.2 Work done. Each one has a worked solution and a mark scheme showing where the marks go.

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