- #1
katie beisel
- 22
- 0
Homework Statement
A small block sits at the midpoint of a 2.0 m plank lying on a level floor. A student slowly raises one end of the plank until the block starts to slide. At that instant, the raised end is 0.55 m above the floor. Find the coefficient of static friction between block and plank.
Homework Equations
F = ma
fs = mus x FN
The Attempt at a Solution
so i turned it into a triangle and the sides are 1.9, .55, 2.0
theres no mass given so I'm not sure how to even begin to find the force of friction or force normal