An object with a mass of #7 kg# is lying still on a surface and is compressing a horizontal spring by #5/4 m#. If the spring's constant is #4 (kg)/s^2#, what is the minimum value of the surface's coefficient of static friction?
1 Answer
Apr 15, 2017
The coefficient of static friction is
Explanation:
The force of compression is
The coefficient of kinetic friction is
The normal force is
So,