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A combined pulley system can reduce the amount of force needed to lift a load, but it depends on the specific setup of the pulleys. In an ideal scenario, a combined pulley system could reduce the force required by half, but this is not always the case in practice due to factors such as friction and inefficiencies in the pulley system. Consulting a physics textbook or a professional engineer could provide more accurate information for a particular system.

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1y ago

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How does a pulley decrease work?

A pulley decreases the amount of work needed to lift an object by distributing the force required over multiple ropes and pulleys. This reduces the amount of force needed by the person pulling the rope, making it easier to lift the object.


Do the moveable pulley decreases the input force?

Do the moveable pulley decreases the input force?


How does the number of supporting ropes on a pulley affect the amount of force needed to lift the load?

Increasing the number of supporting ropes on a pulley decreases the amount of force needed to lift the load. This is because the load's weight is distributed among the ropes, reducing the strain on each individual rope, making it easier to lift the load.


What are the advantages of a combined pulley?

A combined pulley system allows for the distribution of weight over multiple ropes, which can reduce the amount of force needed to lift an object. This type of system also offers increased mechanical advantage, making it easier to lift heavy loads. Additionally, combined pulleys can change the direction of a force, allowing for more versatile applications.


What pulley can lift weight with the least amount of force?

A fixed pulley can lift weight with the least amount of force. It changes the direction of the force needed to lift the weight but does not provide any mechanical advantage.


What is the definition of a combined pulley?

fixed and movable pulleys can be combined.


What is a simple machine that changes the direction of force needed to move an object but not the amount of force needed?

A pulley is a simple machine that changes the direction of the force needed to move an object without changing the amount of force required. By using a pulley, you can apply a downward force to lift an object upwards.


Using a movable pulley system will decrease the force needed to lift the car by increasing the?

Using a movable pulley system will decrease the force needed to lift the car by increasing the mechanical advantage. This advantage is achieved by distributing the weight of the car over multiple segments of the rope, effectively reducing the amount of force required to lift it. Consequently, while the distance over which the force is applied increases, the effort needed to lift the load decreases.


How did the pulley affect the amount of force needed?

A pulley reduces the amount of force needed to lift an object by distributing the load over multiple ropes and wheels. It allows you to lift heavier objects with less effort by changing the direction of the force required to lift the load.


How much effort will be needed to lift 10 newtons using a singal fixed pulley?

Using a single fixed pulley will not change the amount of effort needed to lift a load. You will need to exert a force equal to the weight of the load, in this case 10 newtons, to lift it. The fixed pulley only changes the direction of the force needed, not the amount of force required.


A movable pulley reduces the amount of effort needed to lift a lode by making what change?

A movable pulley reduces the effort needed to lift a load by changing the direction of the force required to lift the load. By pulling down on one end of the pulley system, the load is lifted up with less force needed due to the mechanical advantage gained from the pulley's design.


What is the purpose of a inclined plane with a pulley?

To reduce the amount of force needed to carry objects into the truck k12