Forces

Force

• A push or pull that causes an object to move, stop, or change direction.
• A change in position or location
• Where an object is located in space.
• A line or course along which something is moving.

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NGSS.MS-PS2-1

NGSS.MS-PS2-2

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Friction

• A push or pull that causes an object to move, stop, or change direction.direction.
• A change in position or location
• The force that causes objects with mass to attract one another.
• A force that resists the motion of two surfaces sliding across one another.

The force resulting from the pull of the earth on an object.

• mass
• gravity
• acceleration
• unbalance

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NGSS.MS-PS2-4

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Juan is in the gym and rolls a basketball down the court. He notices that starts off fast but it slows down after a few seconds. What is causing it to slow down?

• motion
• mass
• motion
• friction

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NGSS.MS-PS2-2

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What is the net force?

• 17 N Right
• 3 N Right
• 3 N Left
• 17 N Left

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NGSS.MS-PS2-1

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What famous scientist was the SI units of Force named after?

• Isaac Newton
• Galileo Galilei
• Albert Einstein
• Charles Darwin

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NGSS.MS-PS2-1

You and your dad are moving the couch from one side to another. Your dad pushes with a force of 35 N to the right and you push with a force of 25 N right. What is the net force on the couch?

• 60 N right
• 10 N left
• 60 n right
• 50 N left

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NGSS.MS-PS2-2

You and your friend, are playing tug of war. Your friend pulls with a force of 55 N, to the rights. You pull with a force of 65 N, to the left. What is the net force on the rope?

• 10 n, to the left
• 20 N
• 10 N, to the left
• 10 N, to the right

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NGSS.MS-PS2-2

If the net force is 0 the object is... 

• in motion
• in the same place

What is SI units for force ?

• Grams g()
• Hectogram (Hg)
• Newtons (N)
• Meters (m)

Tags

NGSS.MS-PS2-5