12 terms

Conservation of Momentum


Terms in this set (...)

the amount of matter in an object; SI unit for measuring mass is the kilogram.
a body at motion stays in motion unless acted on by an outside force and a body at rest stays at rest.
mass in motion; a measure of how hard it is to stop the object
Law of Conservation of Momentum
for a collision occurring between object 1 and object 2 in an isolated system, the total momentum of the two objects before the collision is equal to the total momentum of the two objects after the collision
a situation in which two objects in close contact exchange energy and momentum.
elastic collision
two bodies in which the total kinetic energy of the two bodies after the encounter is equal to their total kinetic energy before the encounter
inelastic Collision
a collision in which kinetic energy is not conserved due to the action of internal friction
force that opposes motion between two surfaces.
force that pulls all objects together
"closer the objects, the harder the pull"
"greater the mass, larger the pull"; acceleration due to gravity is 9.8 m/s/s on earth (if it weren't for air resistance).
the speed of the object and the direction of its motion.
change in momentum
momentum equation
mass multiplied by velocity

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