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Solution


Q.

A vehicle of mass 200 kg is moving along a levelled curved road of radius 70 m with angular velocity of 0.2 rad/s. The centripetal force acting on the vehicle is           [2023]
1 560 N  
2 2800 N  
3 14 N  
4 2240 N  

Ans.

(1)

Fc=mω2r=200×(0.2)2×70=560 N