Question

A block of mass m slides down the plane inclined at angle $30\degree$ with an acceleration $\frac{g}{4}$. The value of the coefficient of kinetic friction will be:

• A. $2\sqrt{3} - \frac{1}{2}$
• B. $\frac{1}{2\sqrt{3}}$
• C. $2\sqrt{3}+\frac{1}{2}$
• D. $\frac{\sqrt{3}}{2}$

Answer 1

Answer: (B)

$\frac{1}{2\sqrt{3}}$

Answer 2

The correct answer is 1/2√3