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Question 6

A person of mass 70 kg climbs a flight of 60 steps. Each step is 0.20 m high.

What is the gravitational potential energy gained by the person?

Use the equation:

potential energy=mass×height×gravitational field strength \text{potential energy} = \text{mass} \times \text{height} \times \text{gravitational field strength} potential energy=mass×height×gravitational field strength

Gravitational field strength = 10 N/kg.

A

140 J140\text{ J}140 J

B

840 J840\text{ J}840 J

C

8400 J8400\text{ J}8400 J

D

42000 J42000\text{ J}42000 J

Markscheme

Work done Questions

  1. GCSE
  2. /Physics
  3. /Work done

28 exam-style questions on OCR GCSE Physics Work done. Each one has a worked solution and a mark scheme showing where the marks go.

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