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1.7 Energy, work and power

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Question 160

Energy is stored in a stretched elastic band and in a lump of coal. Which type of energy is stored in each of them?

A

Elastic potential energy in the elastic band; chemical energy in the lump of coal

B

Elastic potential energy in the elastic band; internal (thermal) energy in the lump of coal

C

Gravitational potential energy in the elastic band; chemical energy in the lump of coal

D

Gravitational potential energy in the elastic band; internal (thermal) energy in the lump of coal

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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