Question

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 1

Answer: (D)

cot^–1(5)

Answer 2

q = tan^–1(µ)