1. A hammer exerts a force of 1.5 N on each of thetwo nails A and B. T

1.	1. A hammer exerts a force of 1.5 N on each of thetwo nails A and B. The area of cross section of tipof nail A is 2 mm2 while that of nail B is 6 mm2Calculate pressure on each nail in pascal.
Answer» On A,force = 1.5 Narea = 2 mm^21 mm = 1/1000 m = 0.001m1 mm^2 = 1 mm1mm = 0.001 m 0.001 m = 0.000001 m^2 = 10^-6 m^2 P = 1.5N/ (210^-6) m^2 = 7.510^5 Paon B,P = 1.5N/(610^-6) m^2 = 2.510^5 Pa

1. A hammer exerts a force of 1.5 N on each of thetwo nails A and B. The area of cross section of tipof nail A is 2 mm2 while that of nail B is 6 mm2Calculate pressure on each nail in pascal.

Answer»

On A,force = 1.5 Narea = 2 mm^21 mm = 1/1000 m = 0.001m1 mm^2 = 1 mm*1mm = 0.001 m * 0.001 m = 0.000001 m^2 = 10^-6 m^2

P = 1.5N/ (2*10^-6) m^2 = 7.5*10^5 Paon B,P = 1.5N/(6*10^-6) m^2 = 2.5*10^5 Pa