Water Is Drawn from a Well in a Bucket Tied $\times$

question 56

Multiple Choice

Water is drawn from a well in a bucket tied to the end of a rope whose other end wraps around a cylinder of mass 50 kg and diameter 25 cm.As you turn this cylinder with a crank,the rope raises the bucket.If the mass of a bucket of water is 20 kg,what torque must you apply to the crank to raise the bucket of water at a constant speed?

• A)24 N · m
• B)2.5 N · m
• C)80 N · m
• D)2.4 \(\times\) 10³ N · m
• E)49 N · m

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