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1.7 Energy, work and power

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Question 40

An object is thrown vertically upwards. While the object is moving upwards, what happens to its gravitational potential energy and to its kinetic energy?

A

Gravitational potential energy decreases; kinetic energy decreases

B

Gravitational potential energy decreases; kinetic energy increases

C

Gravitational potential energy increases; kinetic energy decreases

D

Gravitational potential energy increases; kinetic energy increases

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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