You cannot expect to receive any kind of meaningful help when you are THIS vague. Be specific. If this is a question regarding school work, please use the Homework, Coursework, & Textbook Questions forum. Take note of the rules for that forum before posting.bubbleeyes said:Can someone please help me with interaction forces. I am completely stumped about this its making me really mad!!!!!!!!!
When they say the system is in equilibrium, they're saying that the net force is zero: that is, all the forces cancel each other.bubbleeyes said:A pulley and ramp are frictionless and the black is in static equilibrium.