Unit 6 - Forces and movement

When there's a physical contact with an object...

• Contact force

• Non-contact force

Select the contact forces

• Pushing a ball with the foot

• Gravity

• Pulling a door with a hand

What can make an object slow down and stop?

• Pulling

• Pushing

• Friction

Forces such as pulling and pushing, cause objects to move

• True

• False

Friction causes

Friction happens when an object moves against another...

• solid object

• liquid object

• gas

• force

Which type of friction is "when an object moves across a solid surface?"

• Rolling

• Sliding

• Fluid

• Resistance

Which type of friction is "when sn object meets a liquid or gas as it moves?"

• Rolling

• Sliding

• Fluid

• Resistance

Which type of friction is "when an object moves across a solid surface?"

• Resistance

• Fluid

• Rolling

• Sliding

Friction can also help an object to go faster and change direction

• False

• True