physics assessment part 2 - khippenmeyer.weebly.com

Physics Assessment Part 2Your email address ([email protected]) will be recorded when you submit this form. Notkhippenmeyer? Sign out* Required

1. Type your FIRST NAME *

2. Type your LAST NAME *

3. Select your block *Mark only one oval.

One

Two

4. How long did you study for this assessment? *

Vocabulary & Work or Not Work Examples

5. 1. ____________ is done when a force causes an object to move in the direction of the force. *Mark only one oval.

A machine

Energy

Force

Work

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6. 2. ____________ is the ability to do work. *Mark only one oval.

A machine

Energy

Force

Mechanical Advantage

7. 3. ______________ is a device that allows you to do work in a way that is easier or moreeffective. *Mark only one oval.

A machine

Energy

Force


8. 4. ____________ is the number of times a machine increases a force exerted on it. *Mark only one oval.

A Factorali

Energy

Work


9. 5. A machine can change: *Mark only one oval.

the amount of force you exert

the distance over which you exert a force

the direction in which you exert the force

all of the above

10. 6. T or F. Mechanical Advantage does not have units attached to it. Mechanical Advantage isreally a scale factor. *Mark only one oval.

True

False

11. 7. In this picture, as two people push and pull to the left, the furniture is moving left. Who isdoing work in this picture? *

Mark only one oval.

Both people are doing work. One is pushing left and one is pulling left. The furniture is movingleft.

Only the person looking left is doing work. They are pulling left and the furniture is moving left.

No one is doing work because neither person's whole body is facing the left as they move thefurniture to the left.

12. 8. Is this person doing work? *

Mark only one oval.

Yes. This person is exerting energy, so this person is doing work.

No. This person is exerting a force, but the wall is not moving in the direction of the force so nowork is done.

13. 9. This little boy has an upward force on his lunch bag holding it in the air. He is moving towardsthe entrance of the school. Is he doing work on his lunch bag? *

Mark only one oval.

No. The force on the lunch bag is upward, whereas the lunch bag is being moved forward. He isnot doing work.

Yes. The boy is putting a force on the lunch bag, which is work.

14. 10. This is a picture of two bobsled teammates. They are pushing the sled forward and the sledis moving forward. Are they doing work? *

Mark only one oval.

Yes. They are pushing forward and the bobsled is moving in the direction of the force upon it.

No. They look lazy. If you are not pushing with all your strength, then it is not considered work.

Types of EnergyFor each of the following, choose the BEST answer.

15. 11. This type of energy is the energy of position, the energy in waiting. *Mark only one oval.

Kinetic Energy

Potential Energy

Mechanical Energy

Chemical Energy

Thermal Energy

Sound Energy

Electrical Energy

Nuclear Energy

Electromagnetic (Light) Energy

16. 12. This type of energy is the sum of kinetic and potential energy. It can also be interchangedwith the two types of energy you have studied. *Mark only one oval.

Mechanical Energy

Chemical Energy

Thermal Energy

Sound Energy


Nuclear Energy

Electrical energy

17. 13. This type of energy is a result of the movement of the particles that make up an object. It isalso a byproduct of your dissipated energy (friction). (HINT: Ice cubes have very little of thisenergy. Gas/steam has a LOT of this energy.) *Mark only one oval.

Potential Energy

Kinetic Energy

Mechanical Energy

Chemical Energy

Thermal Energy

Sound Energy


Nuclear Energy

Electrical energy

18. 14. This type of energy is the energy of motion.Mark only one oval.

Kinetic Energy

Potential Energy

Mechanical Energy

Chemical Energy

Thermal Energy

Sound Energy


Nuclear Energy

Electrical Energy

19. 15. The movement of electrons is referred to as ________, which you studied at the beginning ofthe year. *Mark only one oval.

Potential Energy

Kinetic Energy

Mechanical Energy

Chemical Energy

Thermal Energy

Sound Energy

Electromagnetic Energy

Nuclear Energy

Electrical energy

20. 16. This type of energy is ether reflected or emitted from an object. This type of energy alsocomes in a wide range of examples. You may know it to also include UV radiation throughVisible light through Infrared radiation. *Mark only one oval.

Potential Energy

Kinetic Energy

Mechanical Energy

Chemical Energy

Thermal Energy

Sound Energy


Nuclear Energy

Electrical energy

21. 17. Without matter (Or a medium), this energy would not travel. This energy is caused by thevibration of an object. *Mark only one oval.

Potential Energy

Kinetic Energy

Mechanical Energy

Chemical Energy

Thermal Energy

Sound Energy


Nuclear Energy

Electrical energy

22. 18. An example of this type of energy is an everyday battery. *Mark only one oval.

Potential Energy

Kinetic Energy

Mechanical Energy

Chemical Energy

Thermal Energy

Sound Energy


Nuclear Energy

Electrical energy

23. 19. What type of potential energy does this picture represent? *

Mark only one oval.

elastic potential energy

gravitational potential energy

24. 20. What type of potential energy does this picture represent? *

Mark only one oval.

elastic potential energy

gravitational potential energy

Simple Machines

25. 21. Each of these three pictures are an example of this type of simple machine. *

Mark only one oval.

lever

inclined plane

pulley

screw

wheel and axle

gadget

wedge

26. 22. Each of these pictures represents this type of simple machine. *

Mark only one oval.

lever

inclined plane

pulley

screw

wheel and axle

gadget

wedge

27. 23. Each of these pictures depicts this type of simple machine. *

Mark only one oval.

lever

inclined plane

pulley

screw

wheel and axle

gadget

wedge

28. 24. The broom, the tweezers, the tongs, and the fishing rod are all examples of this type ofsimple machine. *

Mark only one oval.

lever

incline plane

pulley

screw

wheel and axle

gadget

wedge


Mark only one oval.

lever

inclined plane

pulley

screw

wheel and axle

gadget

wedge

31. 27. A compound machine is made up of: *Mark only one oval.

one or more simple machines

2 or more simple machines



32. 28. T or F. To find the mechanical advantage of a compound machine, you find the product ofthe mechanical advantages of the simple machines that make up the compound machine. *Mark only one oval.

True

False

33. 29. Recall that an incline plane's ideal mechanical advantage formula is: Ideal MechanicalAdvantage = Length of incline/Height of incline. Which ramp has the greater mechanicaladvantage? *

Mark only one oval.

Ramp A

Ramp B

34. 30. Choose the description that best matches the photo of the pulley. *

Mark only one oval.

The positive about this setup is that the mechanical advantage is 2. Your input force ismultiplied by 2. The negative is that you have to pull the rope twice the distance.

The positive about this setup is that the mechanical advantage is 3. Your input force ismultiplied by 3. The negative is that you have to pull the rope three times the distance.

The positive about this setup is that you have to pull the object a distance that is 2 timesshorter. The negative is that you have to apply 2 times the force.

The positive about this setup is that you have to pull the object a distance that is 3 timesshorter. The negative is that you have to apply 3 times the force.

35. 31. The formula for work is: *Mark only one oval.

Work = mass/acceleration

Work = force/distance

Work = force x distance

Work = mass x acceleration

36. 32. You pull your sled through the snow a distance of 40 meters with a horizontal force of 200newtons. How much work did you do? Show your work on a sheet of notebook paper to helpyou be organized and avoid mistakes. No calculator. *Mark only one oval.

5 joules

800 joules

8,000 joules

50 joules

37. 33. You did 150 joules of work lifting a 120 newton backpack. How high did you lift thebackpack? Show your work on a sheet of notebook paper to help you be organized and avoidmistakes. No calculator. *Mark only one oval.

.8 m

8 m

12.5 m

1.25 m

38. 34. T or F. One joule of work is equal to two newtonmeters of work. *Mark only one oval.

True. A joule is double a newtonmeter.

False. One joule of work is equal to one newtonmeter of work.

Real world Concepts.

39. 35. When working with your Coaster Creator lab, What was the importance of the first hill? *Mark only one oval.

There was no purpose to it

The hill provided half the kinetic energy needed to get the coaster to the end of the ride.

The hill provided the potential energy needed to give energy to the whole rollercoaster

The hill provided the dissipated energy needed to give energy to the whole rollercoaster

40. 36. Where might you find a large amount of kinetic energy in a rollercoaster? *Mark only one oval.

At the bottom of the first hill ONLY

At the bottom of a large hill

At the end of the ride, when it is in the platform

At the top of the first hill

41. 37. When a cat jumps onto the table, How does the cat's potential energy change on the way upvs. on the way down? *Mark only one oval.

The cat's potential energy decreases as the cat reaches the table surface, and potential energyincreases as the cat "falls" off of the table

The cat's potential energy switched back and forth between kinetic and potential energythroughout it's jump up.

The cat does not have any potential energy. The cat had only kinetic energy the entire time.

The cat's potential energy increases as the cat reaches the table surface, and potential energydecreases as the cat "falls" off of the table

Graphs/pics

42. 38. Which location will have the highest potential energy? *

Mark only one oval.

W

X

Y

Z

None of the above

43. 39. Which location will have the highest kinetic energy? *

Mark only one oval.

W

X

Y

Z

None of the above

44. 40. Which statement best describes the energy of the car when moving from X to Y? Choose thebest answer. *

Mark only one oval.

The car's kinetic energy is transferred into potential energy as it makes it to position Y

The car's potential energy is transferred into kinetic energy as it makes it to position Y

The car's kinetic energy is transferred into mechanical energy as it makes it to position Y

The car's potential energy is transferred into mechanical energy as it makes it to position Y

None of the above

45. 41. Which statement best describes the energy of the car when moving from W to X? Choosethe best answer. *

Mark only one oval.

The car's kinetic energy is transferred into potential energy as it makes it to position X

The car's potential energy is transferred into kinetic energy as it makes it to position X

The car's kinetic energy is transferred into mechanical energy as it makes it to position X

The car's potential energy is transferred into mechanical energy as it makes it to position X

None of the above

46. 42. Which location will have the second highest potential energy? *

Mark only one oval.

W

X

Y

Z

None of the above

47. 43. Which BEST describes the energy of the coaster at its CURRENT LOCATION? *

Mark only one oval.

Its energy is lost once it goes down the hill

Its energy depends upon the speed of the coaster

It has mechanical energy in the form of potential energy

It has mechanical energy in the form of kinetic energy

None of the above

48. 44. Which location will have the second highest kinetic energy? *

Mark only one oval.

W

X

Y

Z

None of the above

49. 45. As the roller coaster travels down a hill, which type of change in energy allows it to speedup? *

Mark only one oval.

Potential energy changing into heat energy

Potential energy changing into kinetic energy

Kinetic energy changing into heat energy

Kinetic energy changing into potential energy

None of the above

Pendulum Description:

50. 46. Which location will have the lowest kinetic energy? *

Mark only one oval.

1 and 5

2 and 4

3

None of the above

51. 47. Which location will have the lowest potential energy? *

Mark only one oval.

1 and 5

2 and 4

3

None of the above

52. 48. Which location will have a blend of about 50/50 potential and kinetic energy? *

Mark only one oval.

1 and 5

2 and 4

3

None of the above

53. 49. What happens to the pendulum's energy from position 1 to position 3? *

Mark only one oval.

Stored energy was transformed into energy of motion.

Energy of motion was transformed into chemical energy

Stored energy in the ball applied a force to get the ball to move

Internal energy caused the ball to move until the energy was gone

None of the above

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54. 50. What BEST describes the energy of the pendulum from position 1 to position 3? *

Mark only one oval.

Its energy is lost once it swings down

Its energy depends upon the speed the ball will travel

It has mechanical energy in the form of potential energy

It has mechanical energy in the form of kinetic energy

None ofthe above

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physics assessment part 2 - khippenmeyer.weebly.com

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