How much centripetal force is needed to make a body of mass 0.5kg to move in a circle of radius 50cm with a speed 3ms-1
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Answer:
The centripetal force needed to make a body of mass 0.5 kg to move in a circle of radius 50 cm with a speed of 3 m/s is 9 N.
Explanation:
The mass of the body, m = 0.5 Kg
The radius of the circle in which the body is to be moved, r = 50 cm = 0.5 m
The speed with which the body is to be moved, v = 3 m/s
The centripetal force required to move the body,
F = mv² / r
F = (0.5 × 3²) / 0.5
F = 4.5 / 0.5
F = 9 N
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