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प्रश्न
A 500 kg car takes a round turn of the radius of 50m with a velocity of 36 km/hr. The centripetal force is ______.
विकल्प
250 N
750 N
1000 N
1200 N
उत्तर
A 500 kg car takes a round turn of the radius of 50m with a velocity of 36 km/hr. The centripetal force is 1000N.
Explanation:
Velocity of the car v = 36 km/hr = 36 × `5/18` = 10 m/s
∴ Centripetal force F = `"mv"^2/"R"`
`= (500 xx 10^2)/50`
= 1000 N
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