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vladimir1956 [14]
3 years ago
14

A Heavy crate applied a force of 1500 N on a 25m2 piston. What force needs to be applied on a 0.8m2 piston to lift the crate?

Physics
2 answers:
Aleks04 [339]3 years ago
7 0
25/1500 is equal to 0.8/x
0.8*1500 is equal to 1200
1200/25 is equal to 48 N
ki77a [65]3 years ago
7 0

Answer:

The force need to be applied on a 0.8 m² piston to lift the crate is 48 N.

Explanation:

Given that,

Force = 1500 N

Area A= 25 m^2

We need to find the force to be applied on a 0.8 m2 piston to lift the crate

Using formula of pressure

The pressure is the force upon area.

P =\dfrac{F}{A}

Where, F = force

A = area

Pressure for first force,

P =\dfrac{F}{A}

P =\dfrac{1500}{25}...(I)

Pressure for second force,

P =\dfrac{F}{0.8}...(II)

Equate the equations (I) and (II)

\dfrac{1500}{25}=\dfrac{F}{0.8}

F=\dfrac{1500\times0.8}{25}

F=48\ N

Hence, The force need to be applied on a 0.8 m² piston to lift the crate is 48 N.

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