Newton's Laws Flashcards


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created 1 year ago by ashipman
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1

-Push or pull

- a vector quantity with magnitude and direction

-Caused objects to speed up, slow down, or change direction

Force

2

Mass is the amount of matter and measure of inertia

-an object at rest will stay at rest

-an object in motion continues in a straight line in constant speed

(unless an external, unbalanced force acts on it)

First law

3

sum of all the forces acting on an object

Net Force

4

force that opposes moton

Friction

5

-never changes

-amount of matter

-exhibits inertia

-scalar

-kg

Mass

6

-force of gravity

-depends on the distance from the center of the earth

-force due to attraction of earth

-vector

-always down

-newton

Weight

7

a net force causes acceleration

(more force=more acceleration)

-the direction of the net force is the direction of the acceleration

-if the net force is negative, it opposes the motion (the object slows)

Second Law

8

when one object exerts a force on a second object, the second exerts a force on the first that is equal in magnitude but opposite in direction

Third Law

9

the capacity of an object to resist changes in motion

inertia