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8 Energy – forces doing work

8 Energy – forces doing work

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Question 2

A crane lifts a crate vertically upwards from the ground to the top of a building platform.

The platform is 15 m vertically above the ground.

The crate has a mass of 120 kg.

Calculate the increase in gravitational potential energy of the crate.

gravitational field strength, g=9.8 N/kgg = 9.8\text{ N/kg}g=9.8 N/kg

[3]
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8 Energy – forces doing work Questions

  1. GCSE
  2. /Physics
  3. /8 Energy – forces doing work

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