Law of Universal Gravitation

​Law of Universal Gravitation

By Yesenia Colon Irizarry

Open Ended

What two factors do you think gravity depends on?

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Write under "Definition of Law"

​Part 1

Draw

The force between two objects is 4N. If the mass of one object is doubled, what is the new force?

Draw

The force between two objects is 4N. If the mass of one object is decreased by half, what is the new force?

Draw

Suppose that two objects attract each other with a gravitational force of 16 units. If the distance between the objects is doubled, then what would be the new force of attraction between the two objects?

Draw

Suppose that two objects attract each other with a gravitational force of 16 units. If the mass of both objects was doubled, and if the distance between the objects remained the same, then what would be the new force of attraction between the two objects?

​Write under "Definition of Law"

​Part 2

Draw

The force of gravitational attraction is directly proportional to the masses of both objects and inversely proportional to the square of the distance that separates their centers.

Draw

Suppose that two objects attract each other with a gravitational force of 16 units. if the mass of both objects remains the same, and if the distance between the objects was doubled, then what would be the new force of attraction between the two objects?

Draw

Suppose that two objects attract each other with a gravitational force of 16 units. If the distance between the objects was reduced in half, then what would be the new force of attraction between the two objects?

Draw

Suppose that two objects attract each other with a gravitational force of 16 units. if the mass of object 1 was doubled, and if the distance between the objects was tripled, then what would be the new force of attraction between the two objects?

Multiple Choice

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

Multiple Choice

Force of gravity is directly proportional to

• Mass
• Weight
• Distance
• Time

Multiple Choice

Force of gravity is inversely proportional to

• Mass
• Weight
• Distance
• Time

Multiple Choice

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

Multiple Choice

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

Multiple Choice

A moon is located at  1 unit out from the planet it orbits. If that moon was orbiting at 2 units out from the planet, how much would the gravitational force on the moon be compared to its distance at 1 unit?

• 1/4
• 1/6
• 2x as much
• 4 times as much

Multiple Choice

If I double the distance between two objects, what happens to their gravitational Force?

• 4x bigger
• 4x smaller
• 2x bigger
• 2x smaller

Multiple Choice

If one of two objects increases its mass, it _________ the gravitational pull between the two objects

• increases

• decreases

• has no effect on

• eliminates

Labelling

Label the diagram accordingly

Drag labels to their correct position on the image

Weaker

Stronger

Multiple Choice

If two objects are moved to a distance 3 x further than they were before. How would the gravity force between them change?

• It would be 3x larger.

• It would be 1/3 as large

• It would be 1/9 as large

• It would be 9x larger

Multiple Choice

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

Multiple Choice

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

Multiple Choice

Two objects are attracted to each other with 36 N of gravitational force.
What would the force between them be if the distance between them were doubled?

• 9
• 18
• 72
• 144