# An object with a mass of #3 kg# is lying still on a surface and is compressing a horizontal spring by #5 /8 m#. If the spring's constant is #16 (kg)/s^2#, what is the minimum value of the surface's coefficient of static friction?

##### 1 Answer

Jun 27, 2017

#### Answer:

The coefficient of static friction is

#### Explanation:

The coefficient of static friction is

The spring constant is

The compression is

Therefore,

The normal force is

The coefficient of static friction is