Physics (AS & A Level) · May / June 2021 · Paper 11 · Question 16

9702Energy conservation

A roll of tape of length 50 m requires a constant force of 20 N to unwrap it. What is the work done in unwrapping the whole roll?

1. A0.4 J
2. B2.5 J
3. C500 J
4. D1000 J

As printed in the paper

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