A load is to be pulled up an inclined plane using a pulley system. The inclined plane is 25.0 ft long and 5.00 ft high. The pulley system has 2 fixed pulleys and 1 movable pulley. Find the mechanical advantage of this compound machine.

Question

Siena Zamora

Physics

7 February, 14:08

A load is to be pulled up an inclined plane using a pulley system. The inclined plane is 25.0 ft long and 5.00 ft high. The pulley system has 2 fixed pulleys and 1 movable pulley. Find the mechanical advantage of this compound machine.

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Answers (1)

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Jason Goodman · Answer 1

Advantage equals 0.1, mate

1) advantage of plane: 5 divided by 25 = 0.2

2) advantage of fixed pulleys = 0

3) advantage of movable pulley = 0.5

4) and you multiply 0.2 and 0.5 = 0.1

to lift 1kg you don't need force 10N, you will just need 1N