A brick exerts a pressure of 25N.Its dimensions of the brick are 10cm x 5cm x 2cm. Find the pressure the brick exerted on the ground if it is resting on a. 10 cm * 5 cm base b. 5 cm * 2 * c * n base
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Answer:
Pressure = force / area
Force = mg = 2.5*9.81 N
a. Area = 10cm * 5 cm =0.10*0.05 m²
=0.005 m²
Pressure = 2.5*9.81/0.005=4905 Pa
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