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3.1 Energy stores and calculations

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Question 35

A lift counterweight is raised from a height of 3.0 m above the ground to a height of 8.0 m above the ground. Its gravitational potential energy increases by 12 000 J12\,000\ \mathrm{J}12000 J. Use g=10 N/kgg=10\ \mathrm{N/kg}g=10 N/kg.

Calculate the mass of the counterweight.

[1]
A

150 kg150\ \mathrm{kg}150 kg

B

240 kg240\ \mathrm{kg}240 kg

C

2400 kg2400\ \mathrm{kg}2400 kg

D

400 kg400\ \mathrm{kg}400 kg

Markscheme

3.1 Energy stores and calculations Questions

  1. GCSE
  2. /Physics
  3. /3.1 Energy stores and calculations

121 exam-style questions on Edexcel GCSE Physics 3.1 Energy stores and calculations, covering 3.1.1 Gravitational potential energy, 3.1.2 Kinetic energy, and 3.1.3 Energy transfers and conservation of energy. Each one has a worked solution and a mark scheme showing where the marks go.

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