the mass of a boy is 20 kg and the area of the sole of his foot is 0.01 m square if g is equal to 10 metre per second square calculate the pressure exerted on the floor when he is standing on the both feet
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weight of man =20kg
area of sole= 0.01. square
pressure=force/area
pressure = 20kg×10ms^2/0.01
=20000kgm^-1s^-2
area of sole= 0.01. square
pressure=force/area
pressure = 20kg×10ms^2/0.01
=20000kgm^-1s^-2
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Mass : 20 kg
Area :0.01m
Velocity : 10m/s
Force= mass × velocity
= 20kg × 10 m/s
=200N
Pressure =force ÷area
= 200N ÷ 0.01 m
= 0.02 pascal
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