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Leya [2.2K]
3 years ago
10

(2)

Physics
1 answer:
Ostrovityanka [42]3 years ago
5 0

Answer:

250000Pa

Explanation:

Given parameters:

Force applied = 175N

Area = 7cm²

Unknown:

Pressure exerted by the air in the pump = ?

Solution:

Pressure is the force per unit area acting on a body;

        Pressure  = \frac{force }{area}

Area  = 7cm²  ;

           10000cm²   = 1m²

        7cm² is 7 x 10⁻⁴m²

Pressure  = \frac{175}{0.0007} = 250000Pa

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