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How efficient is a pulley system if an operator has to pull 2.5 m of rope to lift a 250 N pail of water a distance of 4.5m?
Wiki User
∙ 12y ago
The system is 100% efficient.
Step 1: Find out Mechanical Advantage so that you can find out input force
MA = input distance/output distance
= 2.5m / 4.5 m
= 0.5555555
Step 2: Find input force
AMA = output force / input force
0.5555555 = 250 N / input force
input force = 250 N/ 0.5555555
input force = 450 N
Step 3: Solve for mechanical efficiency
ME = ((output force x output distance) / (input force x input distance)) x 100%
= ((250 N x 4.5 m) / (450 N x 2.5 m)) x 100%
= (1125 Nm / 1125 Nm) x 100%
= 1 x 100%
= 100%
*** MA = Mechanical Advantage
*** AMA = Actual Mechanical Advantage
*** ME = Mechanical Efficiency
Wiki User
∙ 12y ago
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A pulley system is used to lift a 2000 newton engine up a distance of 3 meters How much force will the operator have to apply if the mechanical advantage of the pulley system is 4?
A pulley system is used to lift a 2,000 newton engine up a distance of 3 meters. How much force will the operator have to apply if the mechanical advantage of the pulley system is 4? mechanical advantage = 500 newtons.
A pulley system is used to lift a 2000 newton engine up a distance of 3 meters The operator must apply a force of 250 newtons to the chain of?
You will need 8 drops of chain. So the operator must apply 250 newtons to the 8th drop. The other 7 drops of chain must be reeved through the pulley system.
1 pulley system more efficient then a 2 pulley system?
Efficiency is the proportion of energy usefully used. Using a pulley system does not use less energy it just changes the ammount of force. Pulleys do have a small ammount of friction so having just one pulley would be more efficient. (but not much more)
How much force will the operator have to apply if the mechanical advantage of the pulley system is 4?
1/4 the output force.
A pulley system is used to lift a 2000 newton engine up a distance of 3 meters. The operator must apply a force of 250 newtons to the chain of the pulley system to lift the motor. To lift the engine 3?
What is the value of Wi? 7,500 joules
To lift the engine 3 meters the operator must pull a total of 30 meters of chain through the pulley system?
Yes, I am pretty sure that such pulley systems exist.
A pulley system is used to lift a 2000 newton engine up a distance of 3 meters The operator must apply a force of 250 newtons to the chain of the pulley system to lift the motor. value of fo?
wi 7500 joules fi 250 newtons di 30 meters A+
What is double pulley system?
A double pulley system is simple. Instead of one wheel like the single pulley system has, the double pulley system has two wheels and carries more heavier loads than the single pulley system can hold.
What is a double pulley system?
A double pulley system is simple. Instead of one wheel like the single pulley system has, the double pulley system has two wheels and carries more heavier loads than the single pulley system can hold.
How is a flagpole a pulley system?
When you pull up the flag you pull it up by the rope. The rope has a pulley on it. So the actual poll is not a pulley but it has a pulley system on it
How can you increase Mechanical Advantage of Pulley Up to 30 or more using less than 11 pulleys?
connect the rope/line to a fixed axle and have a large lever turning this. Distance traveled by effort will be greatly increased. Your pulley system is most likely over 50% efficient so your load will overhaul unless a brake is used to keep the line from running backwards
How would you describe a single pulley system?
describe a single pulley system
