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Pysics

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A wooden bucket filled with water has a mass
of 59 kg and is attached to a rope that is
wound around a cylinder with a radius of
0.071 m. A crank with a turning radius of
0.29 m is attached to the end of the cylinder.
What minimum force directed perpendicularly to the crank handle is required to raise
the bucket? The acceleration of gravity is
9.81 m/s
2
.

  • Pysics - ,

    weight of bucket=50g

    Now consider the crank and cylinder to be a lever.

    Force*Leverarm=weigh*cylinderradius
    force*.29=50g*.071
    solve for force.

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