Question

A man of mass 10kg stands on a wood plank of area 4m².What is the pressure exerted on the floor?Assume the area of a human foot to be 200cm².(g=10m/s)

Answer 1

Answer:

25 Newton

Explanation:

Given,

Mass = 10 kg

Gravity = 10 m/s^2

Force = mass × acceleration

=> 10 × 10 = 100 N

Pressure = Force / Area

$= > \frac{100}{4} \\ = > 25$

Therefore, the pressure on the floor is 25 Newton.

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Answer 2

Answer:

mass =10kg

area=4 m^2

force = mass × gravity

= 10×10

=100N

pressure = force

------

area

=100÷4

= 25 N