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Grade: 11
        If someone presses pointed needle against your skin you are hurt but if someone presses a rod against your skin the same force you easily tolerate .Explain
9 months ago

Answers : (1)

Arun
13861 Points
							
Dear student
 
As we know
P = F/A
Hence if area of cross section is small then a small force will create larger pressure.
Thus us the main reasin with respect to needle and rod
Area of cross section of needle is smaller compared to rod hence needle hurts more than the rod.
Regards
Arun (askIITians forum expert)
9 months ago
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