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Newton's Laws
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Slide 1

Newton's Laws

Newton's Laws

Slide 2

Newtons Contributions

Newtons Contributions

Calculus

Light is composed of rainbow colors

Reflecting Telescope

Laws of Motion

Theory of Gravitation

Slide 3

Newtons First Law (law of inertia)

Newtons First Law (law of inertia)

An object at rest tends to stay at rest and an object in motion tends to stay in motion unless acted upon by an unbalanced force.

Slide 4

Balanced Force

Balanced Force

Equal forces in opposite

directions produce no motion

Slide 5

Unbalanced Forces

Unbalanced Forces

Unequal opposing forces

produce an unbalanced force

causing motion

Slide 6

If objects in motion tend to stay in motion, why dont moving objects keep moving forever?

If objects in motion tend to stay in motion, why dont moving objects keep moving forever?

Things dont keep moving forever because theres almost always an unbalanced force acting upon them.

A book sliding across a table slows down and stops because of the force of friction.

If you throw a ball upwards it will eventually slow down and fall because of the force of gravity.

Slide 7

Newtons First Law (law of inertia)

Newtons First Law (law of inertia)

MASS is the measure of the amount of matter in an object.

It is measured in Kilograms

Slide 8

Newtons First Law (law of inertia)

Newtons First Law (law of inertia)

INERTIA is a property of an object that describes how the motion of the object

more _ means more

much it will resist change to

mass

inertia

Slide 9

1st Law

1st Law

Unless acted upon by an unbalanced force, this golf ball would sit on the tee forever.

Slide 10

There are four main types of friction:

There are four main types of friction:

Sliding friction: ice skating

Rolling friction: bowling

Fluid friction (air or liquid): air or water resistance

Static friction: initial friction when moving an object

Friction!

What is this unbalanced force that acts on an object in motion?

Slide 11

1st Law

1st Law

Once airborne, unless acted on by an unbalanced force (gravity and air fluid friction) it would never stop!

Slide 12

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