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How strong something or someone is.

A person lifted up 100pound weights he needs a certain amount of force to lift it up and carry it.

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How fast something or someone is.

To be good at running your speed has to increase to beat other people in a race.

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When something goes faster and faster its accelerating.

Your in a race and your going 100mph then you go 150mph your accelerating because your going faster.

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When you move its motion anything that is moving is in motion.

You walk your in motion.

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A basis or standard for evaluation assessment, or comparison.

When your driving and you look outside and you see that your moving faster than the other car.

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Balanced forces are when  to objects act on opposite sides  in the same force.

When 2 people are are high fiving they both put an equal amount of force to high five on opposite sides.

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The net force is the overall force that is acting on an object.

You push something and it moves but it you push something else and it can't push it because it has to much force while the other thing doesn't.

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The speed of something that its going until its stops and is divided by the time it traveled.

A car is going 25 miles per hour because of how fasts its going.

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Static friction is when a force keeps its rest.

When a ball isn't moving that static friction

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Kinetic friction is a force that acts between moving surfaces.

When rubbing you hands together is kinetic friction because is gets warmer and warmer the more you rub it together.

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A resistance  that surface or object encounters when moving over another surface.

You slide a pencil across a table it will stop a lot faster than throwing it because of friction.