Balanced and Unbalanced Forces 24

What is the definition of balanced forces?

• Two forces acting in opposite directions on an object, and they are not equal in size.

• Two forces acting in the same direction on an object, and they are equal in size.

• Two forces acting in opposite directions on an object, and one is larger than the other.

• Two forces acting in opposite directions on an object, and they are equal in size.

Can you provide an example of unbalanced forces?

• A book sitting on a table

• A car accelerating forward while the brakes are applied

• A person standing still

• A car moving at a constant speed

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NGSS.MS-PS2-2

Explain the effects of balanced forces on an object with an example.

• The object stops moving completely

• The object accelerates in the direction of the force

• The object remains at rest or continues to move at a constant speed in a straight line.

• The object moves in a circular path

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NGSS.MS-PS2-2

What is any push or pull called?

• Force

• Energy

• Speed

• Acceleration

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NGSS.HS-PS2-1

What conclusion can be made with the diagram?

• An example of balanced forces

• An example of unbalanced forces

• The bigger person with the red shirt will win

• The person with the green shirt will in the tug of war

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NGSS.MS-PS2-1

NGSS.MS-PS2-2

What is the Net Force acting on the box in this picture?

• 10 N to the Left

• 10 N to the Right

• 60 N to the Left

• 60 N to the Right

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NGSS.MS-PS2-2

What is the Net Force acting on the box in this picture?

• 30 N to the Right

• 30 N to the Left

• 70 N to the Right

• 70 N to the Left

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NGSS.MS-PS2-2

A soccer ball kicked down the field is:

• a balanced force

• an unbalanced force

• 0 Newtons

• traveling at a constant speed

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NGSS.MS-PS2-2

If the net force on an object at rest is zero Newtons. What can you conclude?

• The object is in motion.

• The object is not in motion.

• There is an unbalanced force

• There is acceleration

___________ forces always cause an object's motion to change.

• balanced

• unbalanced

• contact

• non-contact

Tags

NGSS.MS-PS2-2