Question

A man pushes a wall with a force of 5000 units with his palms. If the area of contact between the man’s hands and the wall is 20cm2, then what is the pressure the man exerts on the wall? *​

Answer 1

Explanation:

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Answer 2

The pressure exerted on wall is 2.5×10⁵ Pa.

Given - Force and wall

Find - Pressure

Solution - As per the known fact, pressure, force and area are related to each other by the formula-

Pressure = force ÷ area

Assuming the force to be 5000 Newton. Converting area into meter².

As per the known fact, 1 meter = 100 centimetres

1 centimetres = 0.01 meter

Area = 20 × 0.01 × 0.01

Area = 0.002 meter²

Keep the values in formula to find the pressure

Pressure = 5000÷ 0.02

Pressure = 2.5×10⁵ Pa

Hence, the pressure is 2.5×10⁵ Pa.

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