PHYS 1750: SELECTED TOPICS in PHYSICS
LECTURE 12. Momentum.

7.1.	Momentum
	1.	Definition: p = mv
	2.	So: F = Δp/Δt
7.2.	Impulse: FΔt
7.3.	Conservation of Momentum
	1.	Related to Newton's 3rd law
	2.	Always true in isolated systems
		a.	Bodies moving in gravity
		b.	Bodies pushed/pulled by a spring

Review Questions follow the next lecture.
Lecture 13: Collisions