Gravity and Friction Quiz

What is gravity?

• A type of force that pushes objects away

• A force that pulls objects toward each other

• A force that makes things float

• A type of friction

Who discovered gravity?

• Albert Einstein

• Thomas Edison

• Isaac Newton

• Galileo Galilei

What happens to the gravitational pull when two objects are closer together?

• It decreases

• It disappears

• It stays the same

• It increases

Why does a coin fall back to the ground when tossed in the air?

• Air resistance

• Force of gravity

• Wind

• Magnetic force

Which of the following objects would have a greater gravitational pull on Earth?

• A feather

• A pencil

• A car

• A leaf

How does gravity affect objects on Earth?

• It makes them float

• It pushes them away from Earth

• It pulls them toward the Earth

• It makes them move faster

Which of the following is an example of air resistance?

• A rock falling

• A feather floating down slowly

• A ball hitting the ground

• A person jumping

What force makes a feather fall slower than a stone on Earth?

• Gravity

• Air resistance

• Friction

• Inertia

What happens if air resistance is removed?

• Objects will fall faster

• Objects will stop moving

• Objects will float

• Objects will move slower

Which force pulls the Moon into orbit around the Earth?

• Inertia

• Friction

• Gravity

• Magnetism