A 500 kg car takes a round turn of radius 50 m with a velocity of 36 km/hr. The centripetal force is

250 N

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750 N

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1000 N

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1200 N

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Solution

The correct option is B. 1000 N.
Given,
Mass = $m = 500 k g$
Velocity of the car = $v = 36 \frac{k m}{h} = 10 \frac{m}{s}$
Radius of circular path = $r = 50 m$
We know that,
Centripetal force = $F = \frac{m v^{2}}{r}$
where $v$ = velocity of the body
$m$ = mass of the body
$r$ = radius of the circular path
$\Rightarrow F = \frac{500 \times 10 \times 10}{50} = 1000 N .$

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