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Draw a labelled diagram of an arrangement of two pulleys, one fixed and other moveable. In the diagram, mark the directions of all forces acting on it. What is the ideal mechanical advantage of the system? How can it be achieved?
Draw a labelled diagram of an arrangement of two pulleys, one fixed and other moveable. In the diagram, mark the directions of all forces acting on it. What is the ideal mechanical advantage of the system? How can it be achieved?
Class 10 | ICSE | Machines | Physics | Selina
Draw a labelled diagram of an arrangement of two pulleys, one fixed and other moveable. In the diagram, mark the directions of all forces acting on it. What is the ideal mechanical advantage of the system? How can it be achieved?

Solutions:

This system’s optimal mechanical advantage is 2.

This can be accomplished by assuming that the string and the pulley are massless, and that there is no friction between the string and the surface of the pulley’s rim in the pulley bearings.

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