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15 Cards in this Set

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laws by isaac newton that describes the relationship between motion and force
newtons laws of motion
an object at rest remains at rest and an object in motion maintains its velocity unless it experiences a net force
newtons first law
the tendency of an object to resist a change in motion unless an outside force acts on the object
inertia
the unbalanced force acting on an object equals the objects mass times its acceleration
newtons second law
a measure of the gravitational force exerted on an object
weight
gravitational force increases as mass increases,
it decreases as the distance increases
law of universal gravitation
the motion of a body when only the force of gravity is acting
on the body
free fall
the constant velocity of a falling object when the force of air resistance is equal in magnitude and opposite in direction to the force of gravity
terminal velocity
the curved path that an object follows when thrown, launched, or otherwise projected near the surface of Earth
projectile velocity
the force of your weight; ex) acts on ball
action force
a force that exerts a force on another object
action force
a force that acts in the opposite direction to an action force
reaction force
for every action, there is an equal and opposite reaction
newtons third law
a quantity defined as the product of the mass and velocity of an object
momentum
the total amount of momentum in an isolated system is conserved
law of conservation of momentum