Physics · May / June 2016 · Paper 11 · Question 5
5054Balanced and unbalanced forces
A man pulls a sledge of mass 25 kg across level ground with a horizontal force of 60 N. A constant force of friction of 20 N acts on the sledge. What is the acceleration of the sledge?
- A0.63 m / s²
- B1.6 m / s²
- C2.4 m / s²
- D3.2 m / s²
As printed in the paper
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Correct answer: B. 1.6 m / s²
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