Gravitation Test Review_Physics 1

What states that "every object in the universe attracts every other object"?

• Law of Universal Gravitation
• Newton's First Law of Motion
• My mother
• Inertia & gravity

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

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

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

If I double the mass of one object, but don't change anything else... WHat happens to the gravitational force between two objects?

• Doubles
• Quadruples
• Cut in Half
• 4x Smaller

A planet moves __________ when it is farthest from the sun.

• faster
• slower

Where is the planet moving faster

• Position A to B
• Position B to C
• Position H to I
• Position I to J

Planets orbit the Sun in a shape called a(n)

• circle
• ellipse
• focus
• perihelion

The farther away a planet is from the sun, the _______ it takes it to orbit the sun once. 

• longer
• shorter

Two satellites of equal mass are in circular orbit around a planet. Satellite A orbits a distance R from the planet. Satellite B is twice as far out. Which feels a stronger gravitational force?

• Satellite A

• Satellite B

• Both the same

The space shuttle is orbiting the Earth clockwise. Which vector shows the direction of the gravitational force acting on the shuttle?

• a

• b

• c

• d