Newton's Laws and Other Physics Principals

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by lazygeneral
Last updated 5 years ago

Discipline:
Science
Subject:
Physics
Grade:
8

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Newton's Laws and Other Physics Principals

Gravity

9.8 m/s^2

49 N

Won't Change Motion.

Inertia

The force that attracts a body toward the center of the earth, or toward any other physical body thats has mass.

An object's tendency to resist a change in motion, usally based on mass. As Newton said it, due to inertia, "An object at rest will stay at rest, until acted on by an outside force."

0.5 N

Will largly change motion.

0 N

0.5 N

Free Fall

Will Slightly Change Motion.

The downward movement of an object that's only under the force of gravity.

And

Balanced Forces

Two or more equal forces that act in opposite directions. When acting on a single object, they cancel each other out, causingit to remain at rest.

700 N

700 N

Net Force: 0 N

Unbalanced Forces

1,000 N

Net Force: 750 N

Two or more unequal forcesthat act in opposite directions.When acting upon a singleobject, the larger force will cancelout the lesser force, and the objectwill move in the direction ofthe greater force.

250 N

F=M x A

The force, or strengthof a moving object isequal to it's massmultipled by it's acceleration, and is measured in newtons.

45 m/s^2

2 Kg x 45 m/s^2

90 N

Mo=M x S

The energy of a moving object,also known as momentum,is equal to the object's massmultiplied by it's speed, and is measured in Kg x m/s.

313 m/s

0.5 Kg x 313 m/s

156.5 Kg x m/s

Action/ Reaction Pairs

"For every action, there is an equal and opposite reaction."-- Sir Isaac NewtonFor every interation between twoobjects, there is a pair of equalforces acting on both objects.

350 N

350 N

In a collision between twoobjects, the total momentumbefore the collison, will be equalto the total momentum afterthe collison, even if it has beentransferred between the objects.

Conservation Of Momentum

0 Kg x m/s

6 Kg x m/s

3 Kg x m/s

3 Kg x m/s

Before

After

6 Kg x m/s

6 Kg x m/s


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