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Physics Ch. test

Ch.3 test

QuestionAnswer
Newton's third law every action force creates a reaction force that is equl in strength and opposite in direction
momentum equation p=mv
momentum the mass if an object multiplied by its speed or velocity
impulse equation Ft=mv2-mv1
impulse a change in momentum created by a force exerted over time
law of conservation of momentum the total momentum in a system of objects cannot change as long as all forces act only between the objects in a system
collision when two or more objects jit each other
elastic collision the objects bounce off each other with no loss in the total kinetic energy of the system
inelastic collision the objects change shape or stick together, and the total kinetic energy of the system decrases
the final velocity of two objects m1v1+m2v2=(m1+m2)v3
Created by: kgr101297