Friday
March 27, 2015

Homework Help: physics

Posted by Mochool on Wednesday, November 16, 2011 at 9:55pm.

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

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Physics - A rope exerts a constant horizontal force of 203N pulling a 68-kg ...
Physics - A rope exerts a constant horizontal force of 203N pulling a 68-kg ...
Physics - Sally applies a horizontal force of 500 N with a rope to dtag a wooden...
Physics - A factory worker pushes a 29.2kg crate a distance of 4.1m along a ...
Physics - A 51.0 kg crate rests on a level floor at a shipping dock. The ...
Physics - A 67.0 kg crate rests on a level floor at a shipping dock. The ...
Physics - 1. To move a large crate across a rough floor, you push on it with a ...
physics - A 220 N crate is pushed along the ground with a horizontal force. The ...
Physics - A worker pushes 25Kg crate a distance of 5m along a level floor at ...
Physics - Question # 1 Marks = 12 A worker pushes 25Kg crate a distance of 5m ...

Members