You are on the roof of a building 30 m above the ground. Using hand crank 3 points you are to lift a 300 kg dresser on to the roof. How much work must to generated to lift the dresser? *

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asked Oct 3, 2022 234k views

5 votes

You are on the roof of a building 30 m above the ground. Using hand crank 3 points

you are to lift a 300 kg dresser on to the roof. How much work must to
generated to lift the dresser? *

Physics
college

Michael Johnston asked

by Michael Johnston

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2 votes

Answer:

The work will increase the potential energy.

W = PE = mgh = 300(9.8)(30) = 88200 J

IGEL answered Oct 8, 2022

by IGEL

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