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1.7 Energy, work and power

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Question 217

A wooden block is kicked so that it slides across a rough horizontal floor. It gradually slows down and eventually comes to a complete stop.

Into which form of energy is most of the block's initial kinetic energy converted as it slows down?

A

chemical

B

gravitational potential

C

thermal

D

sound

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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