First slide

Circular motion in horizontal plane

Question

The centripetal force required for a 1000 kg car travelling at 36 kmph to take a turn by 90° in travelling along an arc of length 628 m is

Moderate

A

250 N
B

500 N
C

1000 N
D

125 N

Solution

$F = \frac{{mv}^{2}}{r}, r = \frac{l}{θ}$

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