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Newtons 3 Laws of Motion

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kristie connor

on 21 October 2016

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Transcript of Newtons 3 Laws of Motion

1. Law of Inertia
An object that is still will continue to be still unless acted on by an unbalanced force. An object in motion continues in motion with the same speed unless a force stops it or changes its direction.
2. The law of acceleration
The more mass an object has the more force is needed to speed it up or slow it down
3. Law of Pairs
DEMONSTRATION
can race

table cloth

bottle rocket


Motion in Space
In space...

no gravity

no wind/air resistance

no friction


In Space continued...
without gravity and other forces like normal force and air resistance... it becomes really difficult to do everyday things
echalk
Username: WKLFSSC
Password: charles
Physics

Space Sheppard- choose which direction a force is will move by considering the strenght and direction of that force...

Space cadet: see how difficult it is to navigate in space without gravity, friction or air resistance

gravity game: try and beat my score...level 3 ...remember gravity is pulled towards the center of a large mass
Newtons 3 Laws of Motion
LO: To understand how Newton's laws affect the motion of an object
For every action there is an equal and opposite re-action.
Your job is to find out which one of newtons laws is being demonstrated
Chris Hadfield
kitchen...bathroom...and bedrooms in space...


1. An object that is still will continue to be still unless acted on by an unbalanced force. An object in motion continues in motion with the same speed unless a force stops it or changes its direction.

2. The more mass an object has the more force is needed to speed it up or slow it down

3. For every action there is an equal and opposite re-action

Newtons 3 Laws
Do newtons laws apply in space??
How does mass change in space?
http://www.bbc.co.uk/learningzone/clips/parachutes-and-air-resistance/2183.html

Air-Resistance
Streamlined

LO: To examine how air resistance causes things to slow down

-explain how streamlining helps things move quicker in air
Key Terms:
which will drop first?
Egg Drop
Your task is to design a way to use air resistance to lower your egg safely to the ground
The Rules
1.your egg must be in a yogurt cup with no inside padding
2.the egg must be visible from the top of the yogurt cup
Air resistance slows things down when they are moving

pushes against a moving car or the body of a person falling from the sky

air resistance can increase when a strong wind opposes motion
Streamlined
NOTE: the heavier an object is, the bigger the amount of air resistance is needed to lower them to the ground safely
Full transcript