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Actually, pulleys cannot multiply effort force. It can only change the direction of the effort force.
When the pully is not active, it is using potential energy. But when a person or a machine uses the pully, they use force to make Kinetic Energy and to lift the box....but that's what i know so far...but i . :)
A pully is something that has a pully circle and you can just pull on it to make the object move but if the object is heaver then you you need to put a movable pully so it is easier
Pully
wheel and axie , and pully is consist of a wheel
Actually, pulleys cannot multiply effort force. It can only change the direction of the effort force.
Not entirely sure what you mean but maybe this will help: In general the more pulleys you have in your system the less force you will need to apply to lift a certain load, in this case the system of pulleys is generally called a "block and tackle".
It changes the direction of an applied force.
no. the size of a pully makes little difference to its action on a rope as the only thing changing is how much of the rope is in contact with the pully and since the pully rotates it makes it no easier or harder to pull the rope.
it requires more energy to pull because the load is heavier than the effort.
it lets you work easier with less effort
Trading force for distance, distance for force, and speed for force. NO NO NO pully's triggers and trampines
When the pully is not active, it is using potential energy. But when a person or a machine uses the pully, they use force to make Kinetic Energy and to lift the box....but that's what i know so far...but i . :)
wrap the belt around the pully to hold pully still
A pully is something that has a pully circle and you can just pull on it to make the object move but if the object is heaver then you you need to put a movable pully so it is easier
A pully is used to lift thing depending on how big the obJect is
it is the idler pully. i just replaced mine and all the whining stopped