Newton's 3rd Law

Draw

Warm Up

What are the 3 remaining action| Reaction  force pairs in this picture of Joel Embiid and another player? (One has been done as an example)

Multiple Choice

Why don’t the forces cancel each other out?

• They are acting on the same object

• They are acting on the different objects

• They are equal in magnitude

• They are opposite in direction

Multiple Choice

Which free-body diagram best represents how the action-reaction force pairs work?

Turn to page 15 and add your answers to the following questions to this page.

Multiple Choice

In the water rocket, which interaction causes the rocket to move

• Water and the ground

• Water and the bottle

• Bottle and the ground

Drag and Drop

The action force is the bottle pushes on the ​

Placeholder

. The reaction force is the water pushes on the ​

Placeholder

Drag these tiles and drop them in the correct blank above

water

bottle

ground

Multiple Choice

Why does the rocket move?

• The water pushes the rocket

• The rocket pushes the water

• The water pushes on the ground

• The bottle pushes on the ground

Multiple Choice

Compare the forces between the bullet and the rifle.

• The bullet exerts more force than the rifle

• The rifle exerts more force than the bullet

• The forces are equal

• The bullet and rifle do not exert forces on each other

Multiple Choice

The acceleration on the recoiling rifle is

• greater than the acceleration of the bullet

• the same size as the acceleration of the

• smaller than the acceleration of the bullet

Open Ended

Explain your answer to the rifle questions

Multiple Choice

A firefly strikes the windshield of a bus. The firefly hit the bus and the bus hits the firefly. Which of the two forces is greater: the force on the firefly or the force on the bus?

• The force on the firefly is greater

• The force on the bus is greater

• Both forces are equal

• It depends on the speed of the bus

Multiple Choice

If the bus hit a moose would the force on the bus be the same size as when the bus hit the firefly?

• Yes, they would be the same size

• The firefly force would be larger

• The moose force would be larger.

Poll

How confident do you feel about this topic now?

• Very confident
• Somewhat confident
• Not confident