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VikaD [51]
3 years ago
6

A hydraulic press must exert a force of 20,000N to crush a wrecked car into a convienent block. If the output piston is eight ti

mes the area of the input piston, what input force is required?
Physics
1 answer:
Brilliant_brown [7]3 years ago
3 0

Answer:

Explanation:

We shall apply Pascal's law here to find the solution .According to this law if we apply a pressure on a particular area over an in-compressible liquid it gets transferred to other point inside or over the surface of the liquid without getting diminished.

in the present case force is applied on a car to crush it which is enormous in magnitude. This force is 20000 N, which is also called output force  Let the surface on which car is placed be A₂. We apply input force F₁ at other point over a small area be it A₁.

According to Pascal law ,

20000/ A₂ = F₁ / A₁

F₁ = 20000 X (A₁ / A₂)

= 20000 X 1/8

= 2500 N.

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