If a motor uses 500J to raise a box of 25N, how high has the box been lifted?
Work done = Force x distance the applied force has moved, hence 500 = 25d where d = unknown distance. Therefore the distance moved is 500/25 = 20m
OO
Related Physics GCSE answers
All answers ▸How does conduction work in metals?
What does "superimposition" mean?
Explain how Pumped-storage hydropower (PSH) can store energy.
Using the principle of the conservation of energy, calculate the maximum speed of a ball of 5.0kg that has been dropped from a height of 20m. (Given that the gravitational field strength is equal to 9.8N/kg)