Nails have pointed ends. This results in
A. a decrease in the force exerted on them.
B. a decrease in the effect of the force exerted on them.
C. an increase in the force exerted on them.
D. an increase in the effect of the force exerted on them.
Answer:C
Nails have pointed ends. This results in
A. a decrease in the force exerted on them. B. a decrease in the effect of the force exerted on them. C. an increase in the force exerted on them. D. an increase in the effect of the force exerted on them.