Force (F) = 1.5 N
Area of A (AA) = 2 mm2 = 2 × 10-6 m2
Area of B (AB) = 6 mm2 = 6 × 10-6 m2
Pressure on A (PA) = 1.5\over 2 × 10^{-6}
= 0.75 × 106 Pa
= 7.5 × 105 Pa
Pressure on B (PB) = 1.5\over 6 × 10^{-6}
= 0.25 × 106 Pa
= 2.5 × 105 Pa
Question
A hammer exerts a force of 1.5 N on each of the two nails A and B. The area of cross section of tip of nail A is 2 mm2 while that of nail B is 6 mm2 . Calculate pressure on each nail in pascal.
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