Forces and Motion Review

The term for when an object speeds up, slows down, or changes direction

• Speed
• Velocity
• Acceleration
• Newtons

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a change in position is defined as

• force
• motion
• speed
• acceleration

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What is air resistance?

• friction in the air that slows things down
• when an airplane flies into a cloud
• when you feel the air hitting your face

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What is Friction?

• How much something weighs
• When 2 objects slide against each other
• How fast something is going

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The force that two surfaces exert on each other when they rub against each other.

• Friction
• Gravity
• Weight
• Force

Is a force that pulls objects toward each other and down to the ground

• Force
• Friction
• Gravity
• weight

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Ted was rolling a pencil on his desk and the pencil fell down to the ground. What force made this occur?

• Magnetism
• Gravity
• Friction

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This is an example of _____ because the object WILL move. 

• Unbalanced Forces
• Balanced Forces
• Neither

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A push or pull that can change the position or motion of an object/material is --

• magnetism

• motion

• force

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If you roll a toy car on different types of material. What are you testing by rolling the car on foil, felt, or carpeted material?

• gravity

• gravity and magnetism

• magnetism and friction

• friction

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