PHYSICS 1A03 Lecture Notes - Lecture 15: Net Force, Inelastic Collision

• School: McMaster University
• Department: Physics
• Course: PHYSICS 1A03
• Professor: S. Cormier, K. Dalnoki-Veress

Document Summary

*to describe the motion of an object, or a system of objects, in terms of a new quantity. *to associate changes in the momentum of a system with external forces acting on the system. *the momentum (p) of an object with mass m and velocity v is given by: (cid:1868) = m . *momentum is a vector quantity with units of kg m/s. *momentum is a useful property of objects in motion for understanding what happen when collisions occur. *to model interactions within a system, specifically collisions. *both of which characterize the motions of a system. (cid:1867) = m = m (cid:1868) = & (cid:1868) = m => = m . => (cid:1867) = m & (cid:1868) = (cid:1867) . Note: a net force acting on an objects causes that object to experience a change in momentum. *a net force causes a change in momentum: (cid:1867) = .