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Which weight will lift first as the rope is pulled 20 40 or 60?
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∙ 12y ago
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Wiki User
∙ 12y ago
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How do you calculate the distance the rope needs to be pulled to lift the load?
The distance the rope needs to be pulled to lift the load can be calculated using the formula: Distance = (Load weight * Pulley system efficiency) / Effort force applied Efficiency of the pulley system depends on the number of ropes supporting the load. The effort force applied is the force needed to lift the load.
When you want to pull to lift something the main advantage of passing a rope upward and through a single pulley rather than just up over the branch of a tree is that the pulley?
The rope pulled over the branch is hampered by the rope's friction over the branch. The same rope pulled over a pulley is not affected by friction as the pulley wheel will turn as the rope is pulled.
To lift or raise especially by using a rope?
To lift or raise something using a rope, you can use a pulley system. By pulling on the rope in a specific way, you can create mechanical advantage to make lifting easier. It's important to ensure the rope is secure and can handle the weight being lifted.
Which pulley system can make work easier?
A pulley halves the force required to lift a load, but doubles the length of rope or cable. So if you had a 10lb. weight attached to a rope, and were pulling the rope upward, you would need 10lbs. of force to lift it. However, if you had a pulley attached to a beam overhead, and were pulling down on the rope, you would only need 5lbs. of force to move the weight, but you would need to pull twice as much rope to get the weight to move the same distance.
What is puley?
A (simple) pulley is a single wheel over which a rope is pulled in order to lift a weight - a crane is an example. A multi-pulley wheel system allows a very heavy weight to be raised by using little effort at the rope pulling end. Pulley's, in their many examples, were much used in sailing ships, were canvas sails were used the capture the power of the wind to sail the seas.
24lbs of weight hanging on a pulley how much force is needed to lift the weight?
If the pulley is fixed (hanging from the ceiling), and the rope passes over it, then 100 lbs of force is required. If the rope is fixed to the ceiling and passes under the pulley (which is fixed to the load), then 50 lbs of force is required.
If a square weighs 100 pounds how much Force must be used to pull down the rope to lift the weight?
To lift the 100-pound square weight, a force equal to or greater than 100 pounds must be exerted on the rope. This force needs to overcome the weight of the object and any friction or resistance present in the system.
What is the definition of a rope and pulley?
A device used to lift something heavy. By using a pulley, you half the effective weight.
What uses pulley to lift heavy object?
A pulley is a simple machine that uses a wheel and rope to lift heavy objects. As you pull the rope, the pulley helps reduce the amount of force needed to lift the object by distributing the weight across multiple strands of rope. This makes it easier to raise heavy loads by allowing you to exert less effort.
What would happen if both dogs pulled the rope pulled the rope with a force of 85 N?
Then neither of them would win
You set up a pulley to help you lift something you anchor the rope at one end and arrange a moveable pulley to achieve a mechanical advantage of 2 by the time you have lifted the object 5m off the gro?
By using a moveable pulley to achieve a mechanical advantage of 2, you would only need to pull half the distance to lift the object the full distance. In this case, if you have lifted the object 5m off the ground, you would have pulled the rope a total of 2.5m to achieve that height. This setup allows you to lift the object with less effort compared to lifting it directly.
How does a pulley help lift an object?
A pulley helps lift an object by reducing the amount of force needed to lift it. When a rope is threaded through a pulley, it allows you to pull down on one end of the rope while the object is lifted up on the other end, distributing the weight between multiple ropes and making it easier to lift the object.
