Friction and Gravity

The law of universal gravitation is credited to whom?

• Einstein
• Galileo
• Darwin
• Newton

Tags

NGSS.HS-PS2-4

Two factors effecting the magnitude of the force of gravity between 2 objects are...

• mass and distance 
• mass and matter
• distance and weight 
• weight and mass

Tags

NGSS.HS-PS2-4

Every object in the universe attracts every other object.

• True
• False

Tags

NGSS.HS-PS2-4

Any object with mass has gravity.

• True
• Sometimes
• False
• Never

Tags

NGSS.HS-PS2-4

As distance between two objects increase the pull of gravity 

• Increases
• Decreases
• Stays the same

Tags

NGSS.HS-PS2-4

A person would weigh less on on the Moon than on the Earth because . . .

• Moon has more mass, and therefore more gravity
• Moon has less mass, and therefore more gravity
• Moon has more mass, and therefore less gravity
• Moon has less mass and therefore less gravity

Tags

NGSS.HS-PS2-4

If a person weighs 100 pounds on Earth, calculate how much that person would weight on Jupiter. (Jupiter has 3 times the amount of gravity that Earth does.)

• 33.3 pounds
• 100 pounds
• 300 pounds
• Not enough information given

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

Which of the following will not change in different gravitational fields?

• weight
• force
• mass
• pounds

Both of these are measured in Netwons

• Force and acceleration
• Force and weight
• Mass and weight
• Mass and acceleration

Tags

NGSS.HS-PS2-1

What is the value of g (gravity) on Earth?

• 9.81 m/s^2
• 9.81 N
• 9.81 m
• 9.81 s/m^2

Tags

NGSS.HS-PS2-4