Balanced and Unbalanced Forces and Net Force

Balanced and Unbalanced Forces

What are balanced and

unbalanced forces?

Multiple Choice

What is a Force?

• The distance
• Mass
• A push or pull
• Give me a  failing grade 

Multiple Choice

Two ice skaters moving in a straight line at a constant speed.

• Balanced Force

• Unbalanced Force

Multiple Choice

A car accelerating around a mountain curve.

• Balanced Force

• Unbalanced Force

Multiple Choice

A lamp sitting on a table.

• Balanced Force

• Unbalanced Force

Multiple Choice

Which of the following is an example of a balanced force?

• An aeroplane taking off.

• Kicking a football.

• A car slowing down.

• A boy standing still.

Multiple Choice

A rocket lifting off the launch pad.

• Balanced Force

• Unbalanced Force

Multiple Choice

A soccer ball sitting on the ground motionless.

• Balanced Force

• Unbalanced Force

Multiple Choice

Cars in a NASCAR race speeding around the track.

• Balanced Force

• Unbalanced Force

Multiple Choice

A book sitting on a shelf.

• Balanced Force

• Unbalanced Force

Multiple Choice

A gymnast on a balance beam doing a back flip.

• Balanced Force

• Unbalanced Force

Multiple Choice

A skier skiing through flags in a race down the mountain.

• Balanced Force

• Unbalanced Force

Multiple Choice

What is the net force?

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

Multiple Choice

What is the unit for FORCE? 

• N (Newtons)
• lbs (pounds)
• g (grams)
• m/s (meters per second)

Multiple Choice

Is it BALANCED? 

• Yes
• No

Multiple Choice

Which one is balanced?

• top

• bottom

• both

Multiple Choice

Calculate the Net Force. 

• 40N, Left
• 40N, Right
• 0N, Balanced
• 75N, Right

Multiple Choice

Calculate the Net Force. 

• 60N, Left 
• 40N, Right 
• 0N
• 60N, Right

Multiple Choice

What is the net force?

• 40 N left
• 0 N Balalnced
• 400 N right
• 40 N right

Multiple Choice

What is the net force?

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

Multiple Choice

How will this object move? 

• It won't move. 
• It will move to the right. 
• It will move to the left. 
• It will move in both directions. 

Multiple Choice

How will this object move? 

• It won't move. 
• It will move to the right. 
• It will move to the left. 
• It will move up. 

Open Ended

Please explain the difference between balanced and unbalanced forces.