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- 1. Multiple ChoiceAs distance between two objects increase the pull of gravityIncreasesDecreasesStays the same
- 2. Multiple Choice
Two factors effecting the strength of gravity between 2 objects are...
weight and mass
distance and weight
mass and matter
mass and distance
- 3. Multiple Choice
Calculate the gravitational force between two objects when they are 0.750m apart. Each object has a mass of 5.00kg.
3.00x10-9N
3.00x10-6N
2.22x10-9N
2.23x10-8N
- 4. 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
- 5. Multiple ChoiceTwo 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?91872144 - 6. 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
- 7. Multiple Choice
Two spherical objects have masses of 8000 kg and 1500 kg. Their centers are separated by a distance of 1.5 m. Find the gravitational attraction between them
5.4 X 10-4 N
1.2 X 107 N
3.6 X 10-4 N
5.33 N
- 8. Multiple Choice
Which configuration will result in the greatest gravitational force?
small masses far apart
large masses far apart
small masses close together
large masses close together
- 9. Multiple ChoiceWhat are the standard units for the strength of the gravitational interaction?Nsm/s/sJ
- 10. Multiple ChoiceTwo objects are attracted to one another by a strength of force F. If one mass doubles and the other is tripled, what is the new gravitational force between the objects in terms
of F?4F6F1/9 F1/6 F - 11. Multiple Choice
Two objects with equal masses of 1 kg each are separated by a distance of 1 m. The gravitational force between the objects is:
Slightly less than G
Slightly greater that G
Equal to G
Half as much of G
- 12. Multiple Choice
An object with a mass of 48 kg measured on Earth is taken to the Moon. What is the weight of the object on the Moon’s surface if the acceleration due to gravity on Moon is one-sixth of that on Earth?
80 N
48 N
288 N
8 N
- 13. Multiple Choice
How much force is needed to accelerate a 3kg skateboard at 5m/s2?8N1.6N0.6N15N - 14. Multiple ChoiceIf a 10 kilogram object accelerates suddenly at 15 m/s^2, how much force was applied to the object?150 Newtons15 Newtons150 kilograms100 kilograms
- 15. Multiple ChoiceA car is 2000kg and accelerating at 20m/s2, what is the net force applied to it?40000 N100 N5 N200 N
- 16. Multiple ChoiceHow much force is needed to accelerate a 2 kg physics book to an acceleration of 6 m/s/s?36 N12 N3 N0.33 N
- 17. Multiple Choice
When force is 20 N, mass is 5 kg, what is acceleration?
25 m/s/s
5 m/s/s
100 m/s/s
4 m/s/s
- 18. Multiple Choice
Jenny applies a 60 N force to a 20 Kg cart, what is the acceleration of the cart if friction can be neglected?
1200 m/s2
0.33 m/s2
20 m/s2
3 m/s2
- 19. Multiple ChoiceAn object accelerates 5 m/s2 when a force of 20 newtons is applied to it. What is the mass of the object?4 Kg20 Kg0.5 Kg2 Kg
- 20. Multiple ChoiceAn object with a mass of 6.0 kg accelerates 4.0 m/s2 when an unknown force is applied to it. What is the amount of the force?240 N24 N2.4 N0.24 N
- 21. Multiple Choice
Keplers Laws have to deal with
Planetary Motion
Earth
Momentum
Force
- 22. Multiple Choice
Which Planet moves the fastest?
Mercury
Earth
Jupiter
Saturn
- 23. Multiple Choice
Kepler's Second Law says
Planets move faster when closer to the Sun
Planets move faster when further from the Sun
Planets orbit in an Ellipse
The ratio of the orbital period and the average distance is equal for each planet
- 24. Multiple Choice
What force helps planets move faster?
Coulomb
Electricity
Gravity
Newton
- 25. Multiple Choice
One of the two foci in our solar system needs to be the
A planet
Jupiter
Earth
The Sun
- 26. Multiple ChoicePlanets orbit the Sun in a shape called a(n)circleellipsefocusperihelion
- 27. Multiple ChoiceWhere is the planet moving fasterPosition A to BPosition B to CPosition H to IPosition I to J
- 28. Multiple ChoiceWhat happens to the shape of an ellipse as the foci move further apart?The ellipse becomes flatter.The ellipse becomes rounder.
- 29. Multiple ChoiceWhat happens to the shape of an ellipse as the foci move closer together?The ellipse becomes flatter.The ellipse becomes rounder.
- 30. Multiple ChoiceWhich ellipse has the lowest eccentricity?TopMiddleBottom
- 31. Multiple ChoiceWhich ellipse has the highest eccentricity?TopMiddleBottom
- 32. Multiple Choice
The value of eccentricity can range from ________ to ________.
0.1 to 0.9
-1 to 0
0 to 100
0 to 1
- 33. Multiple Choice
If a planet is 2AU from the sun, what's it's period?
a^3=T^2 or T=a^(3/2)
2.8 years
1 year
1.5 years
4 years
- 34. Multiple Choice
If a planet is 10AU from the sun, what's it's period?
a^3=T^2 or T=a^(3/2)
29 years
12 years
31.6 years
4 years
- 35. Multiple Choice
If a planet revolves around the sun once every 35 Earth years, what is it's average distance from the Sun?
a^3=T^2 or a=T^(2/3)
11AU
10.7AU
11.7AU
10AU
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