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Consider what happens when you push both a pin and the
Chapter 4, Problem 4Q(choose chapter or problem)
Problem 4Q
Consider what happens when you push both a pin and the blunt end of a pen against your skin with the same force. Decide what determines whether your skin is cut—the net force applied to it or the pressure.
Questions & Answers
QUESTION:
Problem 4Q
Consider what happens when you push both a pin and the blunt end of a pen against your skin with the same force. Decide what determines whether your skin is cut—the net force applied to it or the pressure.
ANSWER:
Solution 4Q:
We have to explain the observation difference between pin and blunt end of a pen against your skin with the same force. And also to explain which factor is responsible for skin cut - net force applied or pressure.
Step 1 of 3
Concept:
Pressure on the body is defined as the force
applied per unit cross-sectional area
of the body. Mathematically,