Types of Forces Review

What causes motion?

• A force

• squiggly lines

• an internal state of matter

• friction

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What is a reference Point?

• An object that moves as a different one stays

• An object that stays with every object and none move

• An object that move with every other object

• A fixed point that you use to compare an object's movement

Motion is defined as...

• a change in force

• push

• pull

• a change in position

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What force keeps the moon in orbit around the earth?

• The power of hot fries

• Gravity

• Friction

• Normal Force

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Weight is the measure of how much:

• The pull of gravity on an object's mass

• Magnets can pull on one another

• Matter is in an object

• Friction an object has

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Mass is the measure of how much:

• Matter in an object

• A planet can pull on you

• The earth pulls on you

• A scale pushes back on your feet

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Forces can only:

• Push

• Pull

• Attract

• Push and Pull

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Gravity effects .......

• Weight

• Mass

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What is the definition of a net force?

• Measured as a product of mass and velocity

• The sum of all forces acting on an object

• A tendency to do nothing

• Activity involving mental or physical efforts

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Centripetal means

• inertia

• center seeking

• center fleeing