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Chapter 2 Vocabulary Newton's First Law of Motion - Inertia
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Gravity
Terms in this set (10)
Inertia
The property of things to resist changes in motion
Newton's First Law of Motion (the law of Inertia)
Every object continues in a state of rest or of uniform speed in a straight line unless acted on by a nonzero net force.
Force
In the simplest sense, a push or pull
Net Force
The vector sum of forces that act on an object
Vector
An arrow drawn to scale used to represent a vector quantity
Vector Quantity
A quantity that has both magnitude and direction, such as a force
Scalar Quantity
A quantity that has magnitude but not direction, such as mass and volume
resultant
The net result of a combination of two or more vectors
Mechanical equilibrium
The state of an object or system of objects for which there are no changes in motion. In accord with Newton's first law of motion, if an object is at rest, the state of rest persists. If an object is moving, its motion continues without change.
Equilibrium rule
For any object or system of objects in equilibrium, the sum of the forces acting equals zero. In equation form, ∑F = 0
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