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- 1. Multiple Choice
Who wins the tug of war with what net force?The person on the left with 20 NThe person on the left with 80 NThe people on the right with 20 NThe people on the right with 100 N - 2. Multiple ChoiceWhat is the net force?20 N0 N400 N40 N
- 3. Multiple ChoiceWhich of the following never changes no matter where in the universe?weightforcemasspounds
- 4. Multiple Choice
A ____________ is a push or a pull on an object.
friction
force
magnet
gravity
- 5. Multiple ChoiceWhat is the unit called that measures force?weightmeterNewtonkilogram
- 6. Multiple ChoiceThe force that acts in the opposite direction of motion when two surfaces come in contact.ForceFrictionStaticKinetic
- 7. Multiple ChoiceThe amount of matter in an object ispressureweightmassforce
- 8. Multiple ChoiceAs an object's mass increases, its gravitational pull will ____________.decreaseincreasestay the sameget weaker
- 9. Multiple ChoiceAny object with mass is surrounded by a gravitational field.TrueSometimesFalseNever
- 10. Multiple ChoiceAs distance between two objects increase the pull of gravityIncreasesDecreasesStays the same
- 11. Multiple ChoiceWhich of the following will not change in different gravitational fields?weightforcemasspounds
- 12. Multiple ChoiceTwo factors effecting the magnitude of the force of gravity between 2 objects are...mass and distancemass and matterdistance and weightweight and mass
- 13. Multiple Choice
The law of universal gravitation is credited to whom?
Einstein
Galileo
Darwin
Newton
- 14. Multiple Choice
What is the velocity of an object that has been falling freely in a vacuum for 2 seconds?
9.8 m/s down
10.1 m/s down
19.6 m/s down
39.2 m/s down
- 15. Multiple Choice
An object initially at rest falls freely near Earth's surface. How long does it take the object to attain a speed of 98 m/s?
0.1 s
10 s
98 s
960 s
- 16. Multiple ChoiceWhat type of friction is not moving?staticslidingfluidrolling
- 17. Multiple Choice
How do you find the net force of this image.
Add up all the arrows
Add a green arrow and the orange arrow.
Subtract all the arrows.
Add the green arrows and subtract the orange arrow.
- 18. Multiple ChoiceHow will this object move?It won't move.It will move to the right.It will move to the left.It will move in both directions.
- 19. Multiple ChoiceWhat is the magnitude (size) and direction of the net force?14 N Down14 N Up6 N Up6 N Down
- 20. Multiple ChoiceWhat is the magnitude (size) and direction of the net force?21 N to the Left3 N to the Left21 N to the Right3 N to the Right
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