Forces

What is fiction?

• The force that acts on opposite direction between two objects.

• A gravitational force.

• A magnetic force

Haley is standing outside in the cold weather waiting for her bus. How can she create heat with her hands?

• Wave her hands in the air

• Rub her hands together

• Cover her hands in a towel

• Wash her hands with water

Without friction a toy car would ----

• keep going and going.

• stop right away.

• stay at rest all the time.

Rougher surfaces have ...

• greater friction
• less friction
• the same level of friction

Micah is riding his bike. He stops quickly and notices the tires feel very hot. Why are the tires hot?

• They are filled with ai

• They moved in a circle.

• They are very smooth.

• They rubbed against the road.

Which would create more friction?

• carpet

• metal

What does gravity .

• The downward force that acts on all objects

• An upward force that acts on all objects

• A frictional Force that slows things down