Mass and Gravity Test

Which Law states that "every object in the universe attracts every other object"?

• Kepler's 1st Law

• Kepler's 2nd Law

• Kepler's 3rd Law

• Newton's Law of Universal Gravitation

Which of the following is Newton's Law of Gravitation?

• F=Gm₁m₂/r

• F=Gm₁m₂/r²

• F=Gm₁m₂/2r

• F=m₁m₂/2r

Two factors affecting the magnitude of the force of gravity between two objects are

• mass and distance

• mass and matter

• distance and weight

• weight and mass

Force of gravity is directly proportional to

• time

• distance

• weight

• mass

Doubling the mass of one object would have what effect on the gravitational force between them?

• the force would quadruple

• the force would double

• the force would stay the same

• the force would be half as much

Determine the Force of Attraction if a 5 kg object is 10 m away from a 10 kg object.

• 2.56x10^-12 N

• 2.56x10^-12 g

• 3.34x10^-11 N

• 3.34x10^-11 g

Determine the attraction of a 1.59x10²² kg object and a 3.18x10²² kg object separated by 5.26x10⁴ m.

• 6.41x10²⁷ N

• 1.83x10³¹ N

• 9.61x10³⁷ N

• 1.22x10²⁵ N

___________ holds all of the planets in orbit around the sun.

• Force

• Gravity

• Motion

• Weight

Force of gravity is inversely proportional to

• mass

• weight

• time

• distance

Planets orbit the Sun in a shape called

• a circle

• an ellipse

• a focus

• perihelion