A wheel of diameter 144 cm has an axle of diamter 15 cm a, Ask an Expert

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a wheel of diameter 144 cm has an axle of diamter 15 cm. a force of 150N is exerted along the rim of the wheel. What force should be applied to the outside of the axle in order to prevent the whell from rotating? Asuume the direction of the force to be tangentail to the axle.

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