Newton's Laws
Action/Reaction
F = ma / Net Force
Free Body Diagram
100
An object at rest stays at rest and an object in constant motion stays in constant motion until acted upon by an unbalanced force.
What is Newton's 1st Law of Motion?
100

Pushing on a wall. Identify the action force and reaction force. 

Action: You push against the wall 

Reaction: The wall pushes against you 

100
When 20N of force pushes an object at rest to the left and 20N of force pushes the object to the right.
What object remains at rest / is a balanced or net zero force?
100

An apple is hanging from a tree. 

Drawing will vary 

200

For every action, there is an equal and opposite reaction.

What is Newton's 3rd Law of Motion?

200
You are walking to class. Identify the action and reaction forces. 

Action: Your foot applies a force on the ground 

Reaction: The ground applies a force on your foot

200

A 5kg watermelon is pushed with 98N of force, at what rate will it accelerate? 

19.6m/s2

200

A monkey finds a crate of bananas and drags them to the right

Drawings will vary 

300
The heavier the mass of an object, the harder it is to move and/or stop the object from moving.
What is Newton's 2nd Law of Motion?
300

You jump off a floating dock. Identify the action and reaction force. 

Action: Your body applies a force to the dock 

Reaction: The dock applies a force back onto your body

300
If Spongebob was pushing a crabby patty to the left and plankton was pushing it to the right, which way would it go and why?
To the left, because Spongebob is bigger and stronger than plankton.
300

You wipe out on your bike and are sliding on the pavement to the left. There is nothing but momentum keeping you going (hint: you are just sliding) 

Response will vary 
400

The boy is not able to push the elephant forward, what law (or laws) are depicted. 

What is the first and second law of motion 
400
You are swimming laps in a pool. Identify the action force and reaction force. 

Action: You push on the water 

Reaction: The water pushes you forward

400
A 430 kg stone is pushed off a cliff and is now in freefall at the rate of gravity, what is the net force? 

4214N

400

A 2kg apple is falling from a tree, draw a FBD to show this scenario.

Drawings will vary 

500

If the alien throws a baseball into outer space it will travel forever in the same direction and at the same speed. 

What is the first law of motion

500

A rocket launching. Identify the action and reaction forces. 

Action: Gas expelled downward 

Reaction: Gas pushes back up 

500

If Ms. Hewett was pushing a box to the left with 67N and Mrs. Murzic was pushing a box to the right with 30N, which way would the box go?

To the left 37N

500

You kick a soccer ball with 50N of force to the left. The only thing slowing the ball down is 7N of friction in the air. Draw a FBD AND solve for net force. 

Drawing will vary 

43N 

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