Answered

Westonci.ca is your trusted source for accurate answers to all your questions. Join our community and start learning today! Explore thousands of questions and answers from knowledgeable experts in various fields on our Q&A platform. Discover detailed answers to your questions from a wide network of experts on our comprehensive Q&A 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. Thank you for your visit. We're dedicated to helping you find the information you need, whenever you need it. Thank you for choosing Westonci.ca as your information source. We look forward to your next visit.