Question

Suppose you balance a 2.4 kg ball on the tip of your finger, which has an area of 1.4 cm squared? Find the pressure on your finger.

Answer 1

P=F/A

a. Force=mg
= 2.4Kg(9.8m/s^2)
= 23.52 N
b. P=F/A
= (23.52 N)/(1.4 cm^2)
= 16.8 Pa