Question

An ideal spring has a spring constant (force constant) of 2500 n/m. Is stretched 4. 0 cm. How much work is required to stretch the spring by 4. 0 cm?.

Answer 1

The work required to stretch this spring a distance 4.0 cm = 0.040 m is

1/2 (2500 N/m) (0.040 m)² = 2.0 J