Air Resistance and Gravity Retake

What is gravity?

• A force
• Energy
• A push
• All of them

Which object has more mass? 

• Ball
• Earth

Which object has a GREATER force of gravity?

• Ball
• Earth

Which objects have a STRONG force of gravity?

• Objects with GREATER mass, like elephants
• Objects with LESS mass, like mice

Gravity attracts all objects towards one another.

• False
• True
• It depends

As distance between two objects increase the pull of gravity 

• Increases
• Decreases
• Stays the same

Which of the following never changes no matter where in the universe?

• weight
• force
• mass
• pounds

An object is falling downward through Earth's atmosphere. In which direction is the air resistance force?

• Down

• Up

• Around the object

• Through the object

An airplane flies east at 400 km/hr. In which direction is the air resistance force acting upon the airplane?

• East

• West

• Up

• Down

The upward force which is exerted against a falling object is

• gravity

• terminal velocity

• air resistance

• intertia