The surface area of the end of a brick is 50 cm square. The surface area of the base of the brick is 200 cm square. Each brick weighs 50 N. What pressure is each of the bricks shown here exerting on the ground.
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Answered by
26
Explanation:
Pressure = Thrust/Area
Thrust = Weight = 100 N
Area of the brick in contact with the ground = 10 cm x 5 cm
= 50 x 10−4 m2
Pressure exerted by the brick on the ground = 100 N/(50 x 10−4 m2) = 1.6 x 104 N/m2
= 1.6 x 104 Pa.
Answered by
11
Answer: force=50n
Area=50cm2=50/10000m2
P=f/a=50/50*10000
=10000p
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