Weight, mass, gravity

There is a gravitational force between you and your desk. This gravitational force is very small because _____.

• the masses are tiny compared to Earth's mass

• it doesn't need to be large

• the distance between the objects is small

• it is a noncontact force

Mass and weight are different. Mass depends on _____. Weight depends on _____.

• gravitational force, the amount of matter

• placement, force

• force, placement

• the amount of matter, gravitational force

Which of the following is most closely related to gravity?

• distance

• mass

• weight

• speed

If the mass of one of two spheres increases, how does it affect the gravity between the two spheres?

• the gravity increases

• the gravity decreases

• the gravity fluctuates

• the gravity is not affected

Gravity is an example of which kind of force?

• contact

• noncontact

• speed

• direction

Gravitational force differs based on two things.

It increases with increasing ___________.

It decreases with increasing __________ .

• mass

  distance

• distance

  mass

• orbit

  displacement

• displacement

  orbit

An object’s weight is _____ its mass

• equal to

• less than

• proportional to

• not related to

A planet is discovered that has twice the mass of Earth but the same gravitational acceleration.

If you weigh 700 N on Earth, on the new planet you would weigh ____ N.

• 700 N

• 1400 N

• 7 N

• 70 N

Mass varies depending on where the object is located. _______________

• True

• False

• Maybe

This diagram shows three models that represent the gravitational force, F, between objects.

Which model is displaying the most gravitational force of attraction?

• Model 1

• Model 2

• Model 3