state gov TSPSC Polytechnic Lecturer Mock Test 2022 Engineering Mechanics Equilibrium and Friction Friction
Minimum coefficient of friction between the sphere and a plane inclined at an angle 'θ' to the horizontal so that sphere may roll without slipping is equal to
1
\(\frac{2}{7}\) sin θ
2
\(\frac{3}{7}\) tan θ
3
\(\frac{4}{7}\) tan θ
4
\(\frac{2}{7}\) tan θ