Meg lifted a box of books with a mass of 20 kg from the floor to a shelf 1.4 m off the ground. The applied force was equal to the weight of the box of books. How much work did Meg do?

My account
Edit my Profile
Private messages
My favorites

Ask a Question
Questions
Unanswered
Tags
Categories
Ask a Question

asked Apr 17, 2017 215k views

1 vote

Meg lifted a box of books with a mass of 20 kg from the floor to a shelf 1.4 m off the ground. The applied force was equal to the weight of the box of books. How much work did Meg do?

Physics
high-school

Athens Holloway asked

by Athens Holloway

8.2k points

0 Comments

Please log in or register to add a comment.

Please log in or register to answer this question.

1 Answer

4 votes

The work done is equal to the potential energy, so:
Epg=mgh
Epg=20kg*9,81m/s²*1,4m
Epg=274,68J

Frightera answered Apr 22, 2017

by Frightera

7.8k points

0 Comments

Please log in or register to add a comment.

← Prev Question Next Question →

No related questions found

Ask a Question

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.5m questions

12.2m answers

0 Comments

Please log in or register to add a comment.

Please log in or register to answer this question.

1 Answer

0 Comments

Please log in or register to add a comment.

No related questions found

Other Questions