2.
A brick is 40cm long, 30cm wide and 10cm thick. Its weight 48 N and is lying on the
ground. Find the pressure exerted by the brick on the ground.
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Answer:
Converting the units from cm to m, wehave the dimensions as-0.32 m01 m0.1 mArea in contact with ground = 0.32 x 0.1 =
0.032 mWe know that, Pressure = Force/Area
16/0.032500 N/m2 = 500Pa
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wrong answers given a lot
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