Question Detail

PHY 101 PHY 101 Past Questions Objective Question

Question

A plot of energy stored in an elastic body versus the square of extension gives a straight line. The slope represents:
Options
A Elastic constant k
B Twice the elastic constant
C Half the elastic constant
Correct Answer
D Three times the elastic constant
Correct Answer

Option C is the correct answer.

Detailed Explanation

Elastic energy U = ½kx². Plot of U vs x² has slope = ½k.

Hint

Compare with U = ½kx².

Question Info