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Question

Question: The coefficient of friction between two surfaces is 0.2. The angle of friction is-...

The coefficient of friction between two surfaces is 0.2. The angle of friction is-

A

sin–1(0.2)

B

cos–1(0.2)

C

tan–1(0.1)

D

cot–1(5)

Answer

cot–1(5)

Explanation

Solution

f = tan–1(0.2)