A mass of 2kg rests on a horizontal plane. The plane is gradually inclined until at an angle theta=20^(@) with the horizontal, the mass just begins to slides. What is the coefficient of static friction between the block and the surface ?

A mass of 2kg rests on a horizontal plane. The plane is gradually incl

1.	A mass of 2kg rests on a horizontal plane. The plane is gradually inclined until at an angle theta=20^(@) with the horizontal, the mass just begins to slides. What is the coefficient of static friction between the block and the surface ?
Answer» SOLUTION :`mu_(s)=tantheta=tan20^(@)=0.364`