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A pulley system is used

A stage crew member uses a pulley system to lift scenery for the school play. If he does 750 J of work and the pulley system
1. 1 answer
2. asked by LanguadeHarts
3. 78 views
A pulley system os being used to raise a load. The rope begins at the ceilings, goes down, round a pulley on the load, up to a
1. 1 answer
2. asked by Alex
3. 654 views
At CHMSC Mechanic Shop a pulley system is used to lift engines from cars. The pulley system consists of a cable that goes around
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2. asked by Jel
3. 161 views
1. Determine the effort required to lift a load of 100 N using:(a) Using a single fixed pulley (b) A single movable pulley (c)
1. 2 answers
2. asked by Mustafa khamis shaaban
3. 579 views
A pulley system on a pier is used to pull boats towards the pier for docking. Suppose that a boat is being docked and has a rope
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2. asked by Ryan
3. 719 views
A pulley system is marked with a mechanical advantage of 2.5. A worker applies 450N to the pulley in an attempt to sound system
1. 1 answer
2. 59 views
You exert a force of 455N in pulling 15.0m of rope using a pulley system to lift a 935N object 5.0m. What is the efficiency of
1. 2 answers
2. asked by Cynthia
3. 2,021 views
For a pulley system with 8 supporting strands, how far would you have to pull the rope to lift a 125 kg object 1.0 meters off
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2. asked by Lea
3. 530 views
a pulley system is marked with the mechanical advantage of 2.50 worker applies 450 N to the pulley in an attempt to lift a sound
1. 1 answer
2. 52 views
A pulley system lifts a 500-lb block 1.0 foot with an effort of only 50 lb. If the 50 lb moves 30 feet, calculate the efficiency
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2. asked by Isis
3. 1,070 views