Asked by Sbjjayo

An object of mass 20kg slides down an inclined plane at an angle of 30 degree to the horizontal. The coefficient of static friction is?

Answers

Answered by drwls
If 30 degrees is the minimum angle that allows slipping to start, then the coefficient of static friction (mu_s) is given by

M*g*sin30 = M*g*mu_s*cos30
mu_s = tan30 = 0.5774

The mass M does not matter.

Angles greater than 30 degrees will also allow slipping.
Answered by Anonymous
0.5774
Answered by Val
What is the meaning of mus
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