# u Cilalll! if a 50-kg block is attached l0 le from a ledge. The density of the rope is 55 g/m. How ms eely is needed to pull the entire rope to the ledge? iS 32. Coiling a rope A 60-m-long, 9.4-mm-diameter rope hangs 33. Winding part of a chain A 20-m-long, 50-kg chain hangs verti- ally from a cylinder attached to a winch. How much work is needed to wind the upper half of the chain onto the winch? 34. Leaky Bucket A 1-kg bucket resting on the ground contains 3 kg of water. How much work is required to raise the bucket vertically a distance of 10 m if water leaks out of the bucket at a constant rate of j kg/m? Assume the weight of the rope used to raise the bucket is negligible. (Hint: Use the definition of work W SF() dy, where F is the variable force required to lift a object along a vertical line from y a to y b 35. Emptying a swimming pool A swim box with a base that mennu ming noal

Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter63: Volumes Of Pyramids And Cones
Section: Chapter Questions
Problem 16A: A piece in the shape of a pyramid with a regular octagon (eight sided) base is machined from a solid...
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