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1.7 Energy, work and power

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Question 265

Which movement will require the greatest amount of work to be done?

A

a force of 18 N18\text{ N}18 N moving an object a distance of 4.0 m4.0\text{ m}4.0 m

B

a force of 12 N12\text{ N}12 N moving an object a distance of 5.5 m5.5\text{ m}5.5 m

C

a force of 25 N25\text{ N}25 N moving an object a distance of 3.0 m3.0\text{ m}3.0 m

D

a force of 15 N15\text{ N}15 N moving an object a distance of 4.5 m4.5\text{ m}4.5 m

Markscheme

1.7 Energy, work and power Questions

  1. IGCSE
  2. /Physics
  3. /1.7 Energy, work and power

533 exam-style questions on CIE IGCSE Physics 1.7 Energy, work and power, covering 1.7.1a Energy stores and energy transfers, 1.7.1b Conservation of energy, 1.7.1c Kinetic and gravitational potential energy, 1.7.2 Work done, 1.7.3 Energy resources, 1.7.3a Energy resources and electricity generation, 1.7.3b Nuclear fusion as an energy source, 1.7.3c Efficiency of energy transfer, and 1.7.4 Power. Each one has a worked solution and a mark scheme showing where the marks go.

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