Motion

If there was no friction, objects in motion would stay in motion forever.

• true

• false

What is a force?

• a push or pull
• speed or acceleration 
• potential or kinetic energy
• balanced or unbalanced force

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NGSS.MS-PS2-1

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When objects remain in the same place, it is called...

• gravity
• friction
• balanced force
• unbalanced force

What is the force that causes everything to be pulled down to the Earth?

• friction
• gravity
• balanced
• unbalanced

Tags

NGSS.5-PS2-1

Force is measured in....

• Galileos 
• Newtons
• Di Vincis
• Einsteins 

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NGSS.MS-PS2-1

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An unbalanced force is when objects move in one direction because the force is greater from that direction.

• true
• false

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NGSS.MS-PS2-1

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Inertia is....

• for every action, there is an equal and opposite reaction
• larger objects take more force to move 
• an object in motion tends to stay in motion unless acted on by an opposite force
• a push that acts in the opposite direction and it slows down.

Tags

NGSS.MS-PS2-1

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What is a force that works AGAINST MOTION?

• Force
• Motion
• Gravity
• Friction

Which force produces a change in motion?

• unbalanced force
• balanced force
• gravitational force
• frictional force

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

An automobile you are riding in suddenly stops, why does your body continue to go forward?

• An object in motion stays in motion.

• Gravity pulls your body towards the earth.

• Friction makes your body slow down.