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Pulleys operate by changing the amount of distance the rope moves in the pulley to the distance the load travels.
Pulleys operate by changing the amount of distance the rope moves in the pulley to the distance the load travels.
Some pulleys operate where the distance the rope moves equals the the distance the load moves.
Some pulleys operate where the distance the rope moves equals the the distance the load moves.
In other setups, the rope moves many times farther than the load therefore requiring many times less force to lift the load.
In other setups, the rope moves many times farther than the load therefore requiring many times less force to lift the load.
***Lifting ropes are the ones where the direction of movement is the same as the load (up)
***Lifting ropes are the ones where the direction of movement is the same as the load (up)
***Downward pull ropes (a,c.d.e) are not counted as lifting ropes.
***Downward pull ropes (a,c.d.e) are not counted as lifting ropes.
A Pulley System Simulation
A Pulley System Simulation
Pulley Simulation at the compassproject
You can choose from a selection of Pulley Systems and compare the distance of movement of the Effort and Load to
the force of the Effort needed to move the Load force.
You can modify the Setup to include
Force of the Load =.1 Newtons to 10 Newtons
Distance to Lift(Load )= .1 Meter (10 centimeters) to .2 Meters (20 centimeters)
Friction leave at 0
Pulley diameter can be kept at .2 Meters (20 centimeters)
Note:The Work (Input) from your Effort and the Work(Output) from the Load being moved are in units of Joules (J). One Joule is equal to 1 Newton-Meter (NM). In class, we have used centimeters in our measurement of distances so have used work units of Newton-Centimeter and not Newton-Meters (Joule).
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