Forces and Friction

A push or pull on an object is called a _____.

• Force

• Motion

• Friction

• Gravity

Force that opposes motion between 2 surfaces that are touching.

• Tension

• Gravity

• Friction

• Compression

What is the net force of the following picture?

• 3 Newtons to the left

• 11 Newtons to the left

• 8 Newtons to the right

• 5 Newtons to the right

What is the net force of the following cart?

• 50 Newtons to the left

• 50 Newtons to the right

• 250 Newtons to the right

• 200 Newtons to the left

How would you describe the following picture?

• A and B have the same amount of friction

• A has more friction than B

• B has more friction than A

It is the tendency of an object to resist a change in its motion.

• Friction

• Inertia

• Balanced forces

• Unbalanced forces

Cindy and Daisy are playing tug of war and there is no movement. This is an example of _____.

• Balanced forces

• Friction

• Unbalanced forces

• Compression

George and Martha are pushing Laura and her car is accelerating. This is an example of _____.

• Compression

• Balanced forces

• Unbalanced forces

• Friction

When forces happen in opposite directions, you _____.

• Add the forces

• Substract the forces

The gravitational force that Earth exerts on an object is the object's _____.

• Density

• Weight

• Inertia

• Mass