Unit 1- Changes in Forces and Motion and Newton's Third Law

What is a push or pull that can change the motion of an object called?

• Acceleration

• Direction

• Force

• Frame of reference

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What are forces on an object that do not change the motion of an object called?

• Unbalanced forces

• Gravitational forces

• Balanced forces

• Frictional forces

What are forces on an object that cause change in the motion of an object called?

• Balanced forces

• Unbalanced forces

• Magnetic forces

• Elastic forces

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NGSS.MS-PS2-1

NGSS.MS-PS2-2

A straight path an object can move along?

• Motion

• Frame of Reference

• Direction

• Force

Changing an objects position .

• Movement

• Motion

• Speed

• Density

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For every action there is an equal and opposite reaction

• Newtons' 3rd Law

• Newtons' 2nd Law

• Force

• Net Force

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This is always equal and opposite to the action force

• Reaction

• Collide

• Net Force

• Direction

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NGSS.MS-PS2-1

To strike of hit something with great force

• Collide

• Direction

• Motion

• Action Force

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NGSS.MS-PS2-1

Total amount of force on an object

• Net Force

• Force

• Motion

• Collide

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The amount of matter in an object

• Mass

• Force

• Motion

• Direction

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