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

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4-1.Newton's Laws of Motion

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

A$250$

B$750$

C$1000$

D$1200$

(AIPMT-1999)

Solution

(c)$v = 36\frac{{km}}{h} = 10\frac{m}{s}$
$F = \frac{{m{v^2}}}{r} = \frac{{500 \times 100}}{{50}} = 1000\,N.$

Standard 11

Physics

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