5.4 Harder questions on Pressure

·         Collins, p.107, Q.4.

4. Shoe heel: p= F/A=  (40*10) / (25/10000)= 160 kPa (Will not  damage wooden floor)

     Elephant: p= F/A= (500*10)/ (314.2/10000)= 159 kPa (Will not damage wooden floor)

     High heeled shoe: p=F/A= (40*10)/ (0.5*10000)= 8,000 kPa (Will damage the wooden floor)