I was given a graph of force vs time. I was also given the mass of an object, kinetic and static friction coefficients. The question asks for the velocity of the object at certain times. i'm not sure how to incorporate the friction coefficients in. Can anyone help?
2007-10-08 15:57:03 · 1 answers · asked by stud muffin 2 in Science & Mathematics ➔ Physics
When the object isn't moving, static friction opposes the applied force. When applied force becomes > static friction force, the object "breaks loose" and starts to move. When the object is moving, kinetic friction opposes the motion of (and not necessarily the force applied to) the object, and the object's acceleration is determined by the sum of the applied and friction forces. (Be careful of sign here.) The friction coefficients themselves determine the magnitude of the friction force. Friction force = normal force * friction coefficient. This is about as far as I can go with the information given. If you want to further specify your question I'll check back later.
2007-10-10 10:18:36 · answer #1 · answered by kirchwey 7 · 0⤊ 0⤋