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8 Energy – forces doing work

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Question 1
F

An electric fan is switched on.

a.

State what is meant by power.

[1]
b.

Give the unit of power.

[1]
c.

Complete the sentence.

One watt is equal to one ____________ per second.

[1]
d.

The fan transfers 1800 J of energy in 60 s.

Calculate the power of the fan.

[2]
Markscheme

8 Energy – forces doing work Questions

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

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