Question

What is the minimum value of force (in following two cases) required to pull a block of mass m on a
horizontal surface having coefficient of friction u? Also find the angle this force makes with the horizontal.
(a) If force is parallel to horizontal surface
(b) If force is in any direction (Also find the angle this force makes with the horizontal.)​

Answer 1

Answer:

a)(meu)mg

b)meu mg/√(1+meu^2) , tan^-1 meu

Explanation: