Answered

Welcome to Westonci.ca, your one-stop destination for finding answers to all your questions. Join our expert community now! Get detailed answers to your questions from a community of experts dedicated to providing accurate information. Experience the convenience of finding accurate answers to your questions from knowledgeable experts on our platform.

the third floor of a house is 8m above street level. how much work must a pulley system do to lift a 150-kg oven at a constant speed to the third floor?

Sagot :

AL2006

Potential energy of an object is

      (object's mass) x (gravity) x (object's height) .

When the oven is 8m above the street, it has

      (150 kg) x (9.81 m/s²) x (8 m) = 11,772 kg-m²/s² = 11,772 joules

more potential energy than it has when it's on the street.

That energy has to come from somewhere, so that's
how much work must be done by somebody or something
to raise the oven up there.

Answer:

1200j

Explanation:

W=FxD

D=8m

M=150kg

1500x8

=12000J

Thank you for choosing our platform. We're dedicated to providing the best answers for all your questions. Visit us again. Your visit means a lot to us. Don't hesitate to return for more reliable answers to any questions you may have. Get the answers you need at Westonci.ca. Stay informed by returning for our latest expert advice.