Force and Motion

What is force?

• Pushes or pulls that speed up an object

• Pushes and pulls that affect an objects shape or movement

• Friction or motion that affect an objects shape of movement

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Which are examples of a push

• Picking up a pencil and climbing a tree

• kicking a ball, pressing a button, and writing

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What is friction?

• When 2 objects pull in one another

• When 2 objects touch each other

• When 2 objects use force to run against each other

How does friction affect objects?

• slows objects down

• speeds objects up

• smooths the surface of objects

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NGSS.3-PS2-1

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How does gravity affect objects?

• gravity pushes objects into place

• gravity pulls objects toward the earth

• gravity pushes objects away from the earth

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What is a balanced force?

• Two forces moving an object

• Two forces of equal size keeping an object still

• one force pulling or pushing an object

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NGSS.3-PS2-1

Which is an example of an UNbalanced force?

• A cup sitting on a table

• A person kicking a ball

• A person standing still

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