A boy of mass 45 kg stands on a square wooden block of 50 cm side . calculate the pressure exerted by the boy on the block
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1
Answer:
95 is the answer because we pulse 50 from 45 we get 95
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Answer:
mass= 45 therefore weight equal to gravity into mass = 10×45 = 450
50 cm side = 0.5 m side therefore area equal to 0.5× 0.5 = 0.25m²
pressure= force / area
=450/0.25
equal to 1800 pascal
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