Force and motion Newton too. 8th graders stink

What is a PUSH or PULL of an object?

• Motion
• Force
• Friction
• Gravity

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NGSS.MS-PS2-1

NGSS.MS-PS2-2

Which force produces a change in motion?

• unbalanced force

• balanced force

• gravitational force

• frictional force

What happens when two forces act in the same direction?

• They cancel each other out.
• The stronger one prevails.
• Their strengths are added.
• Their sum divided by the two is the total force.

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NGSS.MS-PS2-2

Any time the forces are unbalanced, an object will remain at rest. True or false?

• true
• false

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NGSS.MS-PS2-2

What is the net force on the block? (click on the words to view the picture)

• 5 Newtons up
• 5 Newtons down
• 15 Newtons up
• 15 Newtons down

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NGSS.MS-PS2-2

The sum of all forces acting on an object and direction

• Contact Force
• Balanced Force
• Unbalanced Force
• Net Force

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NGSS.MS-PS2-2

The force that pulls things toward earth.

• Speed
• Gravity

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NGSS.5-PS2-1

Which of the following is a balanced force?

• 
• 
• 
• 

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NGSS.MS-PS2-1

Newton's First Law: An object in motion will stay in motion and an object at rest will stay at _________ unless acted on by an outside force

Newton's Second Law: _______ equals mass times acceleration