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The Affect of Forces on Motion 5-5.1
A push or a pull
What forces can affect motion?
Magnetism Gravity Friction
What are the four ways that force can affect motion?
Slow things down, Speed things up, Stop things Change their direction
A force that acts at a distance and cannot be seen. It comes from the furthest regions of the Earth.
Materials that have magnetic force
Poles that are the same – S to S and N to N...
Opposite poles – S to N and N to S will...
What happens to magnetic forces when they get closer?
THE GET STRONGER
Where is the greatest strength of magnetic forces on a magnet?
AT THE POLES
A pull that attracts one object to another
When do you notice this attraction of one object to another?
WHEN THE OBJECT IS BIG like a pencil to the Earth
What does the attraction of the Moon cause on the Earth?
How does the Sun’s gravity affect the Earth?
KEEPS IT REVOLVING
The force that opposes motion when surfaces are touching
How can you make more friction?
MORE MASS Rougher Surfaces
How can you reduce the affect of friction?
LUBRICATION or ROLLERS
In which states of matter does friction occur?
SOLIDS LIQUIDS and GASES
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