Gravity

Gravity

Multiple Choice

What can be described as "falling and missing the ground"?

• accelerating
• free-falling
• orbiting
• attaining escape velocity

Multiple Choice

If there are no other forces acting on them, two objects with mass will _____

• repel
• stay where they are
• move uniformly toward each other
• accelerate toward each other

Multiple Choice

When the distance from an object is doubled, the force of gravity drops by a factor of _____

• 2
• 4
• 10
• 16

Multiple Choice

Gravity from an object _____

• stops at it's surface
• stops after about 10,000 km
• stops at the edge of the solar system
• goes on forever

Multiple Choice

Most of the Universe is _____

• filled with planets
• filled with stars
• filled with gas and dust
• pretty empty

Fill in the Blank

What should he propose?