A wheel and axle are used to raise a load of 280N by a force 40N applied to the rim of the wheel. If the radii...

A wheel and axle are used to raise a load of 280N by a force 40N applied to the rim of the
wheel. If the radii of the rim and axle are 70cm and 5cm respectively, calculate:
(i) The mechanical advantage
(ii) The velocity ratio
(iii) The efficiency

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sharon kalunda answered the question on April 2, 2019 at 08:47

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