Force and Motion

What is the definition of a force?

• an action and reaction

• a push or pull

• Velocity and speed

• Potential and kinetic energy

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NGSS.MS-PS2-2

NGSS.MS-PS2-4

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Match the following

• energy of an object in motion

• Potential Energy

• how fast an object is moving

• Velocity

• how fast an object is moving and the direction

• Kinetic energy

• Stored energy

• Speed

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NGSS.MS-PS3-1

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Which of the following is an example of speed

• A car moving

• A car going 20 mph south

• A cat running 5 mph

• A cat running 5 mph north

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NGSS.MS-PS3-1

Which of the following is an example of velocity?

• A car moving 15 mph

• A horse running 5 mph

• A horse running 5 mph south

• A cat running

Match the following

• Every action has an equal and opposite reaction.

• Newton's 3rd law

• The more mass an object has, the more force that is needed to make it accelerate.

• Newton's 2nd law

• An object at rest stays at rest, an object in motion stays in motion unless a force acts upon it.

• Newton's 1st law

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NGSS.MS-PS2-1

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When two objects of different masses collide, what will happen?

• The bigger mass will accelerate mroe.

• The smaller mass will accelerate more.

• Nothing will happen.

• They will both accelerate at the same speed.

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NGSS.MS-PS2-1

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a force to move something away

• Magnetism

• Gravity

• Push

• Pull

A force to move something towards you

• Pull

• Push

• Gravity

• Spring

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NGSS.3-PS2-1

A force that attracts a body towards the center of the earth

• magnetism

• spring

• push

• gravity

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NGSS.MS-PS2-4

NGSS.MS-PS2-5

a force which results when a spring is compressed or stretched and it returns the object back to rest

• Magnetism

• Push

• Spring

• Gravity