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- 1. Multiple Choice
Which of the following formulas is the correct equation for the law of Universal gravitation?
- 2. Multiple Choice
If I double the mass of one object without changing anything else, What would happen to the gravitational force between that object and any other object?
Doubles
Quadruples
Cut in Half
- 3. Multiple Choice
What happens to Gravitational force if I double both of the masses but don't change their distance?
doubles
half as big
4 times bigger
- 4. Multiple Choice
Calculate the force of gravity (F) between two objects whose masses are m1 = 100 kg and m2 = 1000 kg if they are separared by a distance of d = 500 m.
2.67 * 10-11 N
0.4 N
6.67 * 10-11 N
1.3 * 10-8 N
- 5. Multiple Choice
I man who weighs 1000N on the surface of the earth will weigh how much at twice the distance in the atmosphere.
500 N
250 N
2000 N
4000N
- 6. Multiple Choice
Is it true that the moon falls?
No, it could have fallen by now.
No, there is no good explanation as to why
Yes, the moon is falling around the earth due to its tangential velocity.
Yes, the moon is falling straight down.
- 7. Multiple ChoiceWhat states that "every object in the universe attracts every other object"?Law of Universal GravitationNewton's First Law of MotionMy motherInertia & gravity
- 8. Multiple ChoiceForce of gravity is directly proportional toMassWeightDistanceTime
- 9. Multiple ChoiceIf I double the distance between two objects, what happens to their gravitational Force?4x bigger4x smaller2x bigger2x smaller
- 10. Multiple ChoiceTwo 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/3F/2F/6F/9
- 11. Multiple ChoiceGravity attracts all objects towards one another.FalseTrueIt depends
- 12. Multiple ChoiceIf Earth's mass was cut in half, what would happen to your mass?increase because gravitational force increasesdecrease because gravitational force decreasesdecrease because gravitational force increasesnothing, mass is not affected by gravitational force
- 13. Multiple Choice
What is the gravitational force between two identical 50,000 kg asteroids whose centers of mass are separated by 1000 m?
2500 N
3.3 x 10-12 N
1.67 x 10-4 N
1.67 x 10-7 N
- 14. Multiple Choice
Two masses 8000 kg and 1500 kg are 1.5 m apart. Find their gravitational pull.
3 N
0.0003 N
3000 N
30 N
- 15. Multiple Choice
Earth pulls satellite, and satellite pulls Earth. Which of the forces is stronger?
Earth pulling satellite
Satellite pulling Earth
Both the same
Not enough information to determine
- 16. Multiple Choice
Newton did not discover gravity, for early humans discovered it whenever they fell. What Newton did discover is that gravity
tells us about why the universe expands.
tells us how to discover new planets.
accounts for the existence of black holes.
extends throughout the universe.
- 17. Multiple Choice
Compared to the gravitational field of Earth at its surface, Earth’s gravitational field at Earth’s center is
zero
.half as much
twice as much
.three times as much
- 18. Multiple Choice
When an astronaut in orbit is weightless, he or she is
beyond the pull of Earth’s gravity
still in the pull of Earth’s gravity
in the pull of interstellar gravity
.beyond the pull of the sun’s gravity
- 19. Multiple Choice
The radius r (the distance between the masses), is found by measuring
From the nearest surface of one object to the other's surface
From the center of one mass to the center of the other's center
From the farthest surface of one object to the other's surface
- Answer choicesTagsAnswer choicesTags