# An object with a mass of # 2 kg# is lying still on a surface and is compressing a horizontal spring by #80 c m#. If the spring's constant is # 9 (kg)/s^2#, what is the minimum value of the surface's coefficient of static friction?

##### 1 Answer

Jun 10, 2016

#### Answer:

#### Explanation:

The force due to the static friction is

then the minimum value for