Chapter 3 - QUIZ

Gravity is.....

• The force that objects exert on each other because of their masses

• Only found with planets and stars in outer space

• Not vey strong on Earth with is why we can travel to other planets easily

• Not noticeable on Earth; we cannot tell when gravity is present

Which material would have the LEAST amount of elastic force against compression?

• Spring

• Foam

• Clay

• Sponge

Which material would have the MOST elastic force against compression?

• Sponge

• Clay

• Water

• Paper

The process of pushing particles of a material closer together is called _______.

• Tension

• Compression

• Elastic

• Friction

What is the elastic force that is transmitted through a stretched object?

• Compression

• Friction

• Elastic

• Tension

What is the force that makes an object resist stretching or pressing?

• Compression

• Tension

• Friction

• Elastic

If a spacecraft is within 190 miles from Earth's surface, what percentage of Earth's gravitational pull would they experience?

• 100%

• 91%

• 87%

• 50%

An elliptical path that one body follows around another body due to gravity is called _________

• Gravity

• Rotation

• Revolution

• Orbit

If someone weighted 180 lbs. on Earth, what would their weight be on the moon?

• 260 lbs

• 180 lbs

• 90 lbs

• 30 lbs

Weight is...

• The same as mass

• The force of gravity on an object

• The amount of mass something/someone is made of

• An illusion and cannot be measures