10 terms

Conceptual Physics Ch. 2 Newton's First Law

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Inertia
the property of things to resist changes in motion
Newton's First Law of Motion
An object at rest tends to stay at rest
Force
A push or a pull
Net Force
The vector sum of forces that act on an object
Vector
An arrow drawn to scale to represent the vector quantity
Vector quantity
A quantity that has direction and magnitude
Scalar Quantity
Only has magnitude
Resultant
The result of 2 or more vector quantities
Mechanical Equilibrium
State of an object or system of objects where there is no change on motion
Equilibrium Rule
For an object or system of objects on equilibrium the sum of the forces acting equals zero.