Balanced and Unbalanced Forces

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 

​TALKING HEADS

Each Partner chose if you are a Balanced Force or Unbalnced

Look at the question:

• If you think the answer is Balanced then the Balanced Partner will explain Why 1st.

• If you think the answer is Unbalanced then the Unbalanced Partner will talk 1st

​So what do you think?

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?

• Plane taking off

• Kicking a soccer ball

• A car slowing down.

• A boy standing still.

​Unbalanced Forces

Draw

Draw an an example of an Unbalanced Force

Ready to Practice?

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

Books sitting on a shelf.

• Balanced Force

• Unbalanced Force

Multiple Choice

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

• Balanced Force

• Unbalanced Force

​Which skater will Move? Why?

​Math:

Which mathematical operation do you think is used to calculate Net Force?

Multiple Choice

What is the net force?

(Purple is to the left/Green to the right)

• 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. 

Left team-> 90N <---

Right team -> 90N --->

• 40N, Left

• 40N, Right

• 0N, Balanced

• 75N, 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?

L R

• 30 N left

• 25 N right

• 5 N left

• 55 N right

Multiple Choice

How will this object move? 

L R

• It won't move. 

• It will move to the right. 

• It will move to the left. 

Multiple Choice

How will this object move? 

L R

• It won't move. 

• It will move to the right. 

• It will move to the left. 

• It will move up. 

Open Ended

Wrap it UP:

Please explain the difference between balanced and unbalanced forces.