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1.7.1a Energy stores and energy transfers

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Question 59

A worker lifts a heavy box from the floor and places it at rest on a high shelf. She does 80 J of work against gravity.

Which option correctly describes the energy changes of the box?

A

Gravitational potential energy gained = 80 J80\text{ J}80 J; Kinetic energy gained = 0 J0\text{ J}0 J

B

Gravitational potential energy gained = 40 J40\text{ J}40 J; Kinetic energy gained = 40 J40\text{ J}40 J

C

Gravitational potential energy gained = 0 J0\text{ J}0 J; Kinetic energy gained = 80 J80\text{ J}80 J

D

Gravitational potential energy gained = 72 J72\text{ J}72 J; Kinetic energy gained = 8 J8\text{ J}8 J

Markscheme

1.7.1a Energy stores and energy transfers Questions

  1. IGCSE
  2. /Physics
  3. /1.7.1a Energy stores and energy transfers

229 exam-style questions on CIE IGCSE Physics 1.7.1a Energy stores and energy transfers. Each one has a worked solution and a mark scheme showing where the marks go.

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