8.6A Balanced Unbalanced Forces

What is the net force on this box?

• 30 N left
• 25 N right
• 5 N left
• 55 N right

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NGSS.MS-PS2-1

NGSS.MS-PS2-2

What is the unit of force?

• Kilogram
• Meter
• Pascal
• Newton

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NGSS.MS-PS2-2

The total amount of forces acting on an object is called...

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

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NGSS.MS-PS2-2

Which of the following has a net force of 0 Newtons?

• An asteroid moving at a constant speed through space 
• A car accelerating from a stop sign
• A box of dishes falling from a counter 
• A rocket taking off 

When are you undergoing an acceleration in a car? 

• speed up
• slow down
• make turns
• all of these!

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NGSS.MS-PS2-2

Acceleration only takes place when things speed up. 

• True
• False

Changes in our speed, direction or both are called _________.

• gravity
• changes
• acceleration
• displacement

How will this object change its motion? 

• It will not change its motion. 
• It will accelerate to the right. 
• It will accelerate to the left. 
• It will move in both directions. 

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NGSS.MS-PS2-1

NGSS.MS-PS2-2

How will this object change its motion? 

• It will not change its motion. 
• It will accelerate to the right. 
• It will accelerate to the left. 
• It will move in both directions. 

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Which of the following has a net force of 0 Newtons?

• An asteroid moving at a constant speed through space 
• A car accelerating from a stop sign
• A box of dishes falling from a counter 
• A rocket taking off