Question 147: Work, Energy and Power & Circular Motion

Question

The minimum velocity (in $$m{s^{ - 1}}$$) with which a car driver must traverse a flat curve of radius 150 m and coefficient of friction $$0.6$$ to avoid skidding is

Accepted Answer

For no skidding along curved track,
The maximum velocity possible $${v_{\max }} = \sqrt {\mu rg} $$
Here $$\mu  = 0.6,\,r = 150m,\,g = 9.8$$
$$	herefore$$ $${v_{\max }} = \sqrt {0.6 	imes 150 	imes 9.8}  \simeq 30m/s$$

Answer

$$60$$

Answer

$$30$$

Answer

$$15$$

Answer

$$25$$

Work, Energy and Power & Circular Motion

The minimum velocity (in $m{s^{ - 1}}) with which a car driver must traverse a flat curve of radius 150 m and coefficient of friction 0.6$ to avoid skidding is

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