A spring of force constant 500 Nm‾¹ is compressed such that its length shortens by 5cm. The energy stored in the spring is?

A. 0.625 J
B. 6.250 J
C. 62.500 J
D. 625.000 J

Correct Answer:

Option A – 0.625 J

Explanation

Energy stored in a spring = ½Ke² = ½ x 500(0.05)² = 0.625J