Thanks for the quick response. I got it.
Just take the derivative with respect to the component you you're looking for and change the +/- sign.
Thanks!
http://img168.imageshack.us/img168/3786/66134795.png
Part one was simple enough, just insert the variables in the equation given
V = (5)(92)(7) - (9)(9)(6) - (9)(72) = 1908 V
Part two, three and four is where I am getting confused.
Usually I would use triangles to figure out...
Homework Statement
A force of 38.64 N pushes and pulls two blocks as shown in the figure below. The vertical contact surfaces between the two blocks are frictionless. The contact between the blocks and the horizontal surface has a coefficient of friction of 0.18.
The acceleration of...