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Question

A 34-pound crate is pushed across the floor by
a 30-pound horizontal force F1. Aside from
the pushing force and gravity F2, there is also
a 34-pound force F3 exerted upward on the
crate and a 20-pound frictional force F4

What kinds of work do the force F1, F2, F3,
F4 do, respectively?
1. +, 0, 0, 0
2. +, 0, 0, −
3. +, +, 0, 0
4. −, +, −, +
5. +, −, +, −
6. +, 0, +, 0
13 years ago

Answers

hgvkbh
ghjvnm
8 years ago
Brandon
The answer is 2.) +,0,0,-
8 years ago
chorizo
The answer is 1.
4 years ago

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