SC-1228
Work done
Lower Sec Science · Secondary 2 · Medium · Work done
A girl lifts a 50 N school bag vertically upwards onto a table 0.8 m high. Assuming the force she applies is just enough to lift the bag at constant speed, how much work does she do on the bag?
- 40 J
- 62.5 J
- 50.8 J
- 400 J
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