- #1
bhangu23
- 2
- 0
Homework Statement
A 60 kg crate is being steadily dragged along the floor by a rope, which makes an angle of 70 degress with the horizontal. If the tension in the rope is 20N:
What is the force of friction?
What is the coefficient of friction?
Homework Equations
ffr=Ufn
ffr=Umgcos0
The Attempt at a Solution
i know that
fg=mg
= 60(9.8)
=588N
and
Fn= fgcos70
=588cos70
=201N
i don't knwo what to do from there