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ICSE Class 8 Physics Question 8 of 24

Force and Pressure — Question 10

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Question

Question 10

The base of a container measures 15 cm x 20 cm. It is placed on a table top. If the weight of the container is 60 N, what is the pressure exerted by the container on the table top?

Answer

Given:
Weight = Thrust = 60 N
Area = 15 cm x 20 cm = 300 cm2 = 30010000\dfrac{\text{300}}{\text{10000}} = 0.03 m2
Pressure = ?

Pressure=ThrustArea=600.03=2000 Pa\text{Pressure}= \dfrac{\text{Thrust}}{\text{Area}} \\[1em] = \dfrac{\text{60}}{\text{0.03}} \\[1em] = 2000 \text{ Pa}

So, Pressure = 2000 Pa.