Question 62: Laws of Motion

Question

A $$2 \mathrm{~kg}$$ brick begins to slide over a surface which is inclined at an angle of $$45^{\circ}$$ with respect to horizontal axis. The co-efficient of static friction between their surfaces is:

Accepted Answer

$$\begin{aligned}
& m g \sin 	heta=\mu \cdot m g \cos 	heta \
& \Rightarrow 	an 	heta=\mu=1
\end{aligned}$$

Answer

1

Answer

1.7

Answer

0.5

Answer

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

Laws of Motion

A $2 \mathrm{~kg} brick begins to slide over a surface which is inclined at an angle of 45^{\circ}$ with respect to horizontal axis. The co-efficient of static friction between their surfaces is:

Choose the correct answer: