Forces and energy

Question 1

Define work done.

Answer 1

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Question 2

Use the equation: W = F x d

Answer 2

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Question 3

Explain how energy can be transferred when work is done.

Answer 3

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Question 4

Use the equation: P = E / t

Answer 4

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Question 5

Describe gravitational potential energy using: Ep = m x g x h

Answer 5

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Question 6

Calculate kinetic energy using: Ek = 1⁄2 x m x v2

Answer 6

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