If a force of 2 N is applied over an area of 2 sq cm , calculate the pressure produced. 7 .Explain why the surface of mortar and pestle (silbatta) used for grinding is etched again after prolonged use ? 8. What are the two factors on which the force of friction depends? 9. Suppose a bell is ringing in a vacuum. Will you able to hear the sound?
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Answer:
Hey mate this is ur answer
Explanation:
The pressure tells us how much force acts in unit of area. In this case, an area of 2mm
2
is applied with a force of 2 N.
Pressure is calculated as follows.
Pressure=
area
Force
=
2mm
2
2N
=1N/mm
2
.
Hence, the pressure on the object is
1N/mm
2
=10
6
N/m.
Will help you out
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