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Conceptual Physics Ch 4 Newton's Laws of Motion
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Gravity
force and Newton's laws
Terms in this set (16)
force
any push or pull
normal force
the perpendicular force that is the contact surface pushing up on the object
magnitude
a measure of how much
tension
the force applied due to a rope or wire.
inertia
the tendency of an object to resist any change in its motion
Newton's First Law
An object will resist change in motion if moving or resting.
friction
force that opposes motion
Newton's Second Law
Objects will accelerate in direct proportion to the force applied to the object
Newton's Third Law
For every action there is an equal but opposite reaction
weight
force of gravity on masses
mass
the amount of matter in an object
balanced forces
forces that add up to zero acceleration and/or no motion
unbalanced forces
forces that produce acceleration
vector
has magnitude and direction
acceleration
change in velocity
net force
The sum of all the forces acting on an object.
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