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- 1. Multiple Choice
When placed at equal distances apart, the greatest gravitational attraction will be between two
skateboards
bowling balls
school buses
- 2. Multiple Choice
Which is needed to determine the amount of gravitational force between two objects?
distance and mass
weight and time
area and weight
- 3. Multiple Choice
The gravitational force exerted by an object depends on its
volume
mass
weight
- 4. Multiple Choice
What is gravitational force?It makes objects at rest start moving.It makes objects that are moving stop.The force of attraction between two objects.It pulls you into space. - 5. Multiple Choice
Gravity on moon is less than the gravity on earth because
a. moon's mass is less
b. moon's mass is more
c. moon's mass is equal to Earth
d. moon has no mass
- 6. Multiple ChoiceComplete the following statement: The farther away two planets are the _______ the gravitational force between them.moresamedosen't matterless
- 7. Multiple Choice
What is the proper setup of the gravitational force formula?
Fg= Gm2/r
F=ma
Fg= Gr2/(m1+m2)
Fg= G (m1m2)/r2
- 8. Multiple Choice
What effect does increasing the distance between the two objects do to the gravitational force?
The distance between two objects has no effect on the gravitational force
It increases
It stays the same
It decreases
- 9. Multiple Choice
When do gravitational forces exist between two objects?
They only exist between microscopic objects.
They are always present between any two objects.
Gravitational forces only act on objects falling on Earth.
They only exist for objects in space.
- 10. Multiple Choice
Calculate the gravitational force between a 15-kg chinchilla and a 65-kg dog which are separated by 0.30 m.
Fg = 3.7*10-8 N
Fg = 1.3*1012 N
Fg = 1.1*105 N
Fg = 7.2*10-7 N
- 11. Multiple Choice
What would the gravitational force be between the Sun and Mars if they were 2.3*1011 m apart? The masses for the Sun and Jupiter are 1.99*1030 kg and 6.42*1023kg, respectively.
Fg = 3.8*1015 N
Fg = 2.8*10-42 N
Fg = 1.6*1021 N
Fg = 4.6*10-75 N
- 12. Multiple Choice
What does the variable G in the gravitational force equation represent?
Universal gravitational constant
Combined masses of the two objects
Gravitational force
Dielectric constant
- 13. Multiple Choice
Which of the following changes would increase the gravitational force between two objects?
Increase G
Increase the mass
Increase r
Decrease G
- 14. Multiple Choice
What is the gravitational force between a 140 kg tree and a 798 kg Lotus Elise Sprint that are 15 m away?
6.6*10-7 N
4.8*104 N
3.3*10-8 N
7.4*1012 N
- 15. Multiple ChoiceWhich of the following is true?m1 feels more forcem2 feels more forcethey feel equal forcesthe net force is zero, so they feel no force
- 16. Multiple ChoiceIf you double the mass of m2, by what factor will the gravitational force change?F/22F4FF/4
- 17. Multiple ChoiceHow are mass and gravitational force related?indirectlyinverselyinverse squarelydirectly
- 18. Multiple ChoiceIf you double the distance between m1 and m2 and triple the mass of m1, by what factor will the gravitational force change?3F/43F/24F/35F
- 19. Multiple ChoiceHow are distance and gravitational force related?indirectlyinverselyinverse squarelydirectly
- 20. Multiple ChoiceHow can you explain that we have a stronger gravitational attraction with Earth than the Sun?The sun has a larger massThe sun has a smaller massCloser to center of sunCloser to center of Earth
- 21. Multiple ChoiceWhat states that "every object in the universe attracts every other object"?Law of Universal GravitationNewton's First Law of MotionMy motherInertia & gravity
- 22. Multiple ChoiceGravity attracts all objects towards one another.FalseTrueIt depends
- 23. 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
- 24. Multiple Choice
The number 6.67 x 10 -11 N* m2 / kg2 is called the
Universal speed constant
centripetal force
Universal Gravitational constant
Earth's Gravitational constant
- 25. Multiple ChoiceThe law of universal gravitation is credited to whom?EinsteinGalileoDarwinNewton
- Answer choicesTagsAnswer choicesTags