1.

The speed of a body moving in uniform circular motion is doubled and the radius of the circular path is halved. What happens to the centripetal force?

Answer»

SOLUTION :CENTRIPETAL force `=(mv^(2))/R` when v becoems 2V and r BECOMES `r//2`, the centripetal force `=(m(2v)^(2))/(r//2) = (mv^(2))/r xx 8`. The force, becomes 8 times its oroginal volume.


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