Physics, 01.10.2019 00:00 littledogy13
If a pulley with six supporting ropes is used to lift a 1200 lb piano, what input force is needed?
a 1800 lbs
b 500 lbs
c 300 lbs
d 200 lbs
Answers: 2
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If a pulley with six supporting ropes is used to lift a 1200 lb piano, what input force is needed? <...
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