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A brick having weight 30 N is 21 cm long, 10 cm wide and 6 cm high. The face of brick on the ground having 21 cm and 6 cm is in contact with the ground. What is the pressure exerted on the ground by the face of brick.
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pressure = force/area
area= 21*10/10000
area=0.021
p= 30/0.021
p=
area= 21*10/10000
area=0.021
p= 30/0.021
p=
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