Solution-System to lift a bucket of cement of weight

System to lift a bucket of cement of weight

Reference no: EM132567674

A builder using a pulley system to lift a bucket of cement of weight 150 N exerts a steady force F and pulls 30 m of rope through the system in order to raise the bucket 10 m. The friction in the system is small but NOT negligible. The value of the force F is most probably

A. less than 50 N.
B. exactly equal to 50 N.
C. between 50 N and 150 N.
D. between 150 N and 450 N.
E. more than 450 N.

How to know less than / equal to / more than 150 N ? (g = 10 m s-2)

Reference no: EM132567674

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System to lift a bucket of cement of weight

Reference no: EM132567674

Reference no: EM132567674

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