A pulley system lifts a

  1. 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. Isis asked by Isis
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  2. A puppy tugs with a force of 45N to pull a rope on a pulley. This lifts his 90N bag of dog food. What is the mechanical
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  3. 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
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    2. LanguadeHarts asked by LanguadeHarts
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  4. 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
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    2. Alex asked by Alex
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  5. A person pulls the rope in pulley C by 3 meters and lifts the load by 1 meter using the equation for work , how much work is
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  6. A person pulls the rope in pulley C by 3 meters and lifts the load by 1 meter. Using the equation for work, how much work is
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  7. 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. Jel asked by Jel
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  8. 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)
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    2. Mustafa khamis shaaban asked by Mustafa khamis shaaban
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  9. 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. Ryan asked by Ryan
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  10. 1. A ball moving horizontally clears a net 2 meters high. What maximum speed can it have if it is to fall within 5 meters of the
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    2. mimi asked by mimi
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