Newtons 1st law of motion

​Newtons 1st law of motion

By Stephanie Ramirez

Multiple Choice

1. Which statement describes balanced forces?

• A. Forces that cause an object to speed up

• B. Forces that combine to produce a net force of zero

• C. Forces acting in the same direction

• D. Forces that always make an object move

Multiple Choice

2. A box has forces of 3.4 N right and 2.8 N left. What will happen?

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• A. It stays still

• B. It moves left

• C. It moves right

• D. It jumps upward

Multiple Choice

3. Newton’s First Law states that an object in motion will…

• A. Stop unless friction is removed

• B. Continue moving unless acted on by an unbalanced force

• C. Always speed up

• D. Move in circles

Multiple Choice

4. A stack of textbooks sits on a desk. Why are the forces balanced?

• A. The books are heavy

• B. Gravity pulls down while the table pushes up

• C. The table is flat

• D. The books have inertia

Multiple Choice

5. A skier is pulled up a mountain by a rope with a force equal to gravity. What happens?

• A. The skier speeds up

• B. The skier slows down

• C. The skier moves at a constant velocity

• D. The skier does not move

Multiple Choice

6. Which is an example of an unbalanced force?

• A. A ball rolling at constant speed

• B. A chair sitting still

• C. A rocket launching upward

• D. A pencil lying on a table

Open Ended

What is one real-life example of inertia you saw today?

Open Ended

Why don’t balanced forces change an object’s motion?

Open Ended

Describe a time when you felt unbalanced forces acting on you (sports, car, etc.

Open Ended

How does Newton’s First Law help engineers design safe vehicles?

Poll

What is Ms.Stephanies favorite Holiday?

• Halloween

• Thanksgiving

• Christmas

• Her Birthday

​Thank you for coming to my TED talk!