If you lie on a bed of nails your back will encounter pressure due to contact with the nails.Nail pressure on your back will be less if the bed has
A)fewer nails.
B)more nails.
C)both of the above
D)none of the above

Question

Quizplus · Accepted Answer

The pressure on your back will be less if the bed has more nails because pressure is defined as force per unit area. With more nails, the force (your body weight) is distributed over a larger area (the tips of more nails), thus reducing the pressure on any single point on your back.

If You Lie on a Bed of Nails Your Back