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Suppose that with a pulley system you need to exert a force of 1,400N to lift a heavy object. But without the pulley system, you need to exert 4,200N to lift the object. What is the MA of the pulley system?

Respuesta :

samuelonum1

Answer:

Mechanical Advantage is 0.3

Explanation:

Step one:

given data

Load L= 1400N

Effort E= 4200N

Required

The mechanical advantage of the pulley system

Step two:

We know that the expression for the mechanical advantage is

MA= Load/Effort

MA= 1400/4200

MA=0.3