omarMihilmy Messages 31 Reaction score 0 Thread starter Dec 19, 2013 #1 To find the force we will differentiate the function with respect to x (dx) My problem is with the solution If we differentiate: dU/dx = 9x^2 - 7 From where does the negative come from also the j component?
To find the force we will differentiate the function with respect to x (dx) My problem is with the solution If we differentiate: dU/dx = 9x^2 - 7 From where does the negative come from also the j component?
voko Messages 6,053 Reaction score 391 Dec 19, 2013 #2 You should have used the homework template, then you have written the relevant equations. What equation is relevant for finding force from potential energy?
You should have used the homework template, then you have written the relevant equations. What equation is relevant for finding force from potential energy?
shanname Messages 8 Reaction score 0 Dec 19, 2013 #6 Why are you disregarding the y-component when you differentiate?