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Chapter 2 Vocabulary Review + Newton's Laws of Motion
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Gravity
Terms in this set (22)
Force
a push or pull on an object
Contact Force
a push or pull on one object by another that is touching it
Noncontact Force
a force that one object can apply to another without touching it
Gravity
an attractive force that exists among all objects that have mass
Mass
the amount of matter in an object; often measured in kilograms
Weight
the amount of gravitational force exerted on an object
Friction
a force that resists the motion of two surfaces that are touching
Static Friction
prevents surfaces from sliding past each other
Lubricant
reduces friction
Net Force
the combination of all forces acting on an object
Balanced Force
forces acting on an object that combine and form a met force of zero
Unbalanced Force
forces acting on an object that combine and form a met force that is not zero
Inertia
the tendency of an object to resist the change in it's motion
Circular Motion
any motion in which an object is moving along a curved path
Centripetal Force
a force that acts towards the center of the curve
Force Pair
the forces that two objects apply to each other
Momentum
a measure of how hard it is to stop a moving object
Newton's 1st Law
an object will remain motionless unless acted on by an outside force
Newton's 2nd Law
the change in an object's motion depends on its mass and the force acting upon it
F=M*A
Newton's 3rd Law
For every action there is an equal and opposite reaction
Acceleration Formula
a=F/m
Momentum Formula
p=m*v
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