Answer to Question #244951 in Physics for maddie

Question

A70-kg

k

g

 student sitting on a hardwood floor does not slide until pulled by a 250-N

N

horizontal force.

Determine the coefficient of static friction between the student and floor.

Answer 1

The coefficient of static friction can be found as

$$\mu_s=\frac FN=\frac{F}{mg}=0.36.$$