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3 Conservation of energy

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Question 19

A crane raises a steel beam vertically from the ground to the top of a building. The beam moves upwards at a constant speed throughout the lift. Which statement describes what happens to the energy stores of the beam during the lift?

[1]
A

Kinetic store stays the same; gravitational store stays the same

B

Kinetic store stays the same; gravitational store decreases

C

Kinetic store stays the same; gravitational store increases

D

Kinetic store increases; gravitational store stays the same

Markscheme

3 Conservation of energy Questions

  1. GCSE
  2. /Physics
  3. /3 Conservation of energy

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