PH-2335
Gravitational potential energy
Physics · Secondary 4 · Easy · Gravitational potential energy
A 3.0 kg box is lifted vertically from the floor to a shelf 2.0 m high. Take g = 10 N/kg. What is the gain in gravitational potential energy of the box?
- 20 J
- 30 J
- 40 J
- 60 J
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