Question Detail

PHY 101 PHY 101 Past Questions Objective Question

Question

A graph of energy stored in an elastic body versus the square of extension gives:
Options
A The elastic constant
B Twice the elastic constant
C Half the elastic constant
Correct Answer
D Thrice the elastic constant
Correct Answer

Option C is the correct answer.

Detailed Explanation

Elastic energy U = ½ kx². The slope of U vs x² equals ½k.

Hint

Compare with U = ½kx².

Question Info