- #1
lu6cifer
- 16
- 0
Why is it that the equation for work done to stretch a spring is
W = 1/2k(x22-x12)
while the work done by a spring on an object is
W = 1/2k(x12-x22) ?
That is, how come it's x22-x12 for the first case, and x12-x22 for the second?
W = 1/2k(x22-x12)
while the work done by a spring on an object is
W = 1/2k(x12-x22) ?
That is, how come it's x22-x12 for the first case, and x12-x22 for the second?