Physics chapter 4
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10 Terms
Newtons first law
an object continues in a state of rest or uniform velocity unless it is acted upon by a net or resultant force
inertia
the property of an object that causes it to resist change to its state of rest or uniform motion.
normal force
the perpendicular force exerted by a surface on an object in contact with it
frictional force
the force that opposes the motion of an object
momentum
the product of the mass and velocity of an object
newton’s second law
the net force acting on an object is equal to the rate of change of momentum
newton’s third law
when object A exerts a force on object B , object B simultaneously exerts an oppositely directed force of equal magnitude on object A
principle of conservation of linear momentum
the total linear momentum of an isolated system remains constant
impulse
the product of the net force and the contact time
gravitational fields
a region of space in which a mass experiences a gravitational force
Note 
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