If the angle of friction between the two surfaces 37° if cos 37 equal to 4 by 5 coefficient of friction between the two surfaces is P by 4 then p is

If the angle of friction between the two surfaces 37° if cos 37 equal

1.	If the angle of friction between the two surfaces 37° if cos 37 equal to 4 by 5 coefficient of friction between the two surfaces is P by 4 then p is
Answer» mu = tan thita= TAN37 = sin37/ cos37p/4= sin 37/cos 37and sin 37= √ 1-cos ^2(37)= √ 1- (4/5)^2= √ 1-16/25= √9/25= 3/5so P/4 = (3/5)/(4/5)= 3/4so p= 3

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If the angle of friction between the two surfaces 37° if cos 37 equal to 4 by 5 coefficient of friction between the two surfaces is P by 4 then p is

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