PH-966
Work done
Physics · Secondary 3 · Medium · Work done
A 0.50 kg block is pushed along a horizontal surface with a constant force of 4.0 N and moves 2.5 m. Assuming no change in kinetic energy, how much work is done against friction?
- 10 J
- 1.6 J
- 6.5 J
- 0.40 J
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