Review quiz

The measure of the pull of gravity on an object is ___________________.

• motion
• weight
• speed
• friction

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.MS-PS2-4

If the force of gravity has been reduced by 1/4 which could be true?

• Mass was increased 4 times
• Mass was decreased 2 times
• Distance was increased 4 times
• Distance was doubled

Double the mass of an object 

• 4 times stronger gravity force
• 4 times weaker gravity force
• 2 times weaker gravity force
• 2 times stronger gravity force

As distance separating the objects increases the force

• increases
• decreases
• stays the same

Tags

NGSS.HS-PS2-4

Two asteroids exert a gravitational force, F, on each other. Some time later, the asteroids are now three times as far from each other as before. Which of the following represents the gravitational force at this distance? 

• F/3
• F/2
• F/6
• F/9

Tags

NGSS.MS-PS2-4

NGSS.MS-ESS1-2

Earth is slightly closer to the Sun in December than it is in June. The force of gravity of the Sun on Earth in June compared to December is — 

• slightly smaller
• slightly larger
• considerable larger
• considerably smaller

Tags

NGSS.HS-PS2-4

Which is larger, the Sun's pull on the Earth or Earth's pull on the Sun? 

• THe Sun's pull on the Earth is larger.
• THe Earth's pull on the Sun is larger
• They pull on each other equally
• The Sun's pull on the Earth is twice as large as Earth's pull on the Sun.

Tags

NGSS.HS-PS2-4

Two comets are orbiting each other with same force.  Then they are moved a distance 3x away.  What is the new force

• F/3
• F/9
• F/2
• F/6

Tags

NGSS.HS-PS2-4

NGSS.HS-ESS1-4

If you went to the moon, would your weight change?

• Yes
• No
• Maybe