Question
A robot arm expends 15J of work to extend a spring 10cm from its equilibrium position. How much force is required?
Answers
bobpursley
energy=1/2 k x^2
15=1/2 k (.1)^2 solve for k.
Force= k *.1
15=1/2 k (.1)^2 solve for k.
Force= k *.1
Anonymous
15