What is a force?

• A push our a pull

• Your parents forcing you to eat your vegetables

• Yoda using the force in Star Wars

What does the apple falling from the tree & hitting the boy on the head represent?

• Momentum

• Friction

• Gravity

• Velocity

Based on her story, what is a "FORCE" and what may STOP a force?

• • A force is another term for gravity and inertia that a balanced force will stop.

• A force is a push or pull that an unbalanced force will stop.

What slows down almost every motion on earth?

• Balanced Force

• Acceleration

• Gravity

• Friction

What is friction?

• A type of gravity

• A force that opposes the motion of an object moving past another- slows it down.

• A force that allows the motion of an object moving past another- speeds it up.

Ralphie can skate around on the field because it does not have...

• Gravity

• Momentumn

• Velocity

• Friction

What type of force gets Dorothy moving?

• A push

• A pull

Why did they both stop?

• They bumped into each other, causing their motion to stop

• Because of friction

What force pushed Wanda back towards 2nd base? 

• The force of the wind blowing

• The force of her throwing the baseball

• The force of the ground

Why do we need friction?

• To slow things down

• To make things speed up

• To help us breathe