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- 1. Multiple Choice
What is acceleration due to gravity on Earth?
98 m/s2
9.8 m/s2
0.98 m/s2
- 2. Multiple Choice
There is a gravitational force between you and your desk. This gravitational force is very small because _____.
the masses are tiny compared to Earth's mass
it doesn't need to be large
the distance between the objects is small
it is a noncontact force
- 3. Multiple Choice
Which of the following is most closely related to gravity?
distance
mass
weight
speed
- 4. Multiple Choice
If the mass of one of two spheres increases, how does it affect the gravity between the two spheres?
the gravity increases
the gravity decreases
the gravity fluctuates
the gravity is not affected
- 5. Multiple Choice
An object’s weight is _____ its mass
equal to
less than
proportional to
not related to
- 6. Multiple Choice
This diagram shows three models that represent the gravitational force, F, between objects.
Which model is displaying the most gravitational force of attraction?
Model 1
Model 2
Model 3
- 7. Multiple Choice
What is the formula to calculate Weight from mass(m) and gravity (g) ?
mass (m) / gravity (g) = weight
mass (m) + gravity (g) = weight
mass (m) - gravity (g) = weight
mass (m) x gravity (g) = weight
- 8. Multiple Choice
Newton's Universal Law of Gravitation claims that the attraction between objects with mass depend on what 2 things?
volume and height
velocity and height
acceleration and mass
mass and distance
- 9. Multiple Choice
Which planet has the weakest gravitational pull?
Earth
Mercury
Jupiter
Venus
- 10. Multiple Choice
What is something that has a larger gravitational field than the Earth?
my pencil
a fly
Mars
the moon
the Sun
- 11. Multiple Choice
When objects are FARTHER APART, is the force of gravity between them STRONGER or WEAKER?
When objects are farther apart, the gravity between the objects is STRONGER.
When objects are farther apart, the gravity between them is WEAKER.
- 12. Multiple ChoiceWhat is the SI unit used to measure force?poundsgramsnewtonsfriction
- 13. Multiple ChoiceGravity attracts all objects towards one another.FalseTrueIt depends
- 14. Multiple ChoiceAny object with mass has gravity.TrueSometimesFalseNever
- 15. Multiple ChoiceThe law of universal gravitation is credited to whom?EinsteinGalileoDarwinNewton
- 16. Multiple ChoiceWhich of the following never changes no matter where in the universe?weightforcemasspounds
- 17. 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
- 18. Multiple ChoiceIf Earth's mass was cut in half, what would happen to your weight?Increase because gravitational force increasesdecrease because gravitational force decreasesdecrease because gravitational force increasesnothing, weight is not affected by gravitational force
- 19. Multiple ChoiceIs the force of gravity on the diver a push or a pull?pushpull
- 20. Multiple Choice
Why do planets orbit the Sun?
The Sun is the only celestial object that has a gravitational pull.
The Sun’s chemical composition makes it attract planets.
Only celestial bodies that emit light, like the Sun, can be at the center of an orbit.
The Sun is the most massive object in our solar system, so it exerts the greatest gravitational pull.
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