An electric motor M is used to reel in cable and hoist a bicycle into the ceiling space of a garage. Pulleys are fastened to the bicycle frame with hooks at locations A and B, and the motor can reel in cable at a steady rate of 18 in./sec. At this rate, how long will it take to hoist the bicycle 6.7 feet into the air? Assume that the bicycle remains level. M A Answer: t= i sec

International Edition---engineering Mechanics: Statics, 4th Edition
4th Edition
ISBN:9781305501607
Author:Andrew Pytel And Jaan Kiusalaas
Publisher:Andrew Pytel And Jaan Kiusalaas
Chapter7: Dry Friction
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An electric motor M is used to reel in cable and hoist a bicycle into the ceiling space of a garage. Pulleys are fastened to the bicycle
frame with hooks at locations A and B, and the motor can reel in cable at a steady rate of 18 in./sec. At this rate, how long will it take to
hoist the bicycle 6.7 feet into the air? Assume that the bicycle remains level.
M
A
В
Answer: t = i
sec
Transcribed Image Text:An electric motor M is used to reel in cable and hoist a bicycle into the ceiling space of a garage. Pulleys are fastened to the bicycle frame with hooks at locations A and B, and the motor can reel in cable at a steady rate of 18 in./sec. At this rate, how long will it take to hoist the bicycle 6.7 feet into the air? Assume that the bicycle remains level. M A В Answer: t = i sec
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