Question

The stick $OA$ rotates about a horizontal axis through $O$ with a constant counter clockwise velocity $\omega =3$ rad/sec. As it passes through the position $\theta =0^0,$ a small mass $m$ is placed upon it at a radial distance $r=0.5m$. If the mass is observed to be slipping when $\theta ={37}^o$ , then $\mu$ is :

• A. $\frac{4}{9}$
• B. $\frac{3}{16}$
• C. $\frac{9}{16}$
• D. $\frac{5}{9}$

Answer 1

Answer: (B)

As the mass is at the verge of slipping