Power Requirement for Lifting Objects

00:00 1 marks

Power $P$ is required to lift an object of mass $m$ vertically upwards at a constant speed $v$. What power is required to lift an object of mass $2m$ vertically upwards at a constant speed $2v$?

A

P
B

2P
C

4P
D

8P

Hint Hint

Hint

Remember that power is given by $P = Fv$ and that in this scenario, the force due to gravity scales with mass.

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