Deck 16: The Universal Law of Gravity

Question 1

Newton used __________ to prove his law of gravity.

A) the planets
B) the moon
C) the sun
D) Jupiter's moons

Answer 1

the moon

Question 2

To find the force of gravity between our Earth and moon we must ________ the masses.

A) multiply
B) square
C) cube
D) divide

Answer 2

multiply

Question 3

To find the force of gravity between our Earth and moon we must ________ the distance between them.

A) multiply
B) square
C) cube
D) divide

Answer 3

square

Question 4

The exact distance between any two objects that is used in Newton's law of gravity is

A) the distance from the nearest surface of one object to the nearest surface of the other.
B) the distance from the center of one object to the center of the other object.
C) the distance from the center of mass of one object to the center of mass of the other.
D) the distance from the farthest surface of one object to the farthest surface of the other.

Question 5

The strength of gravity is directly proportional to mass and ________________ to the square of the distance.

Question 6

Gravity is measured between the __________________ of the bodies being studied.

Question 7

Little 'g' is considered the surface gravity acceleration.

Question 8

The force of gravity strengthens with increasing distance.