Unit 4 Internet Activity

Mr. Dolloff

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  1. Which of the following is NOT one of the simple machines?

    2. Your answer:
    gears
    levers
    pulleys

  2. a machine is:

    3. Your answer:
    a tool that needs human muscle power
    a tool used to make work easier
    a device that doesn't need power

  3. WORK is defined as:

    4. Your answer:
    potential energy
    a force acting on an object to move it.
    rate of power consumed

  4. Power is defined as:

    5. Your answer:
    potential energy
    rate at which energy is consumed
    rate at which work is done

  5. Kinetic energy is:

    6. Your answer:
    energy of motion
    stored energy
    amount of work done over a time period

  6. Bill lifts a 100 lb barbell over his head 10 times in 1 minute. Joe does it 10 times in 30 sec. Who did the most work?

    7. Your answer:
    Neither, both did the same.
    Bill
    Joe

  7. In the previous example, who has the most power?

    8. Your answer:
    Bill
    Joe
    neither, both have the same

  8. Which simple machine is a chainsaw based on?

    9. Your answer:
    lever
    inclined plane
    wedge

  9. the study of liquids in motion is called:

    10. Your answer:
    pneumatics
    hydrostatics
    hydraulics

  10. Force that is transmitted through the use of a compressed liquid or gas is called:

    11. Your answer:
    hydrostatics
    internal combustion
    fluid power

  11. What is used to open and close valves on a car engine?

    12. Your answer:
    crankshaft
    differential
    camshaft

  12. Car engines operate on the principle of:

    13. Your answer:
    potential energy
    internal combustion
    external combustion

  13. The amount of work a machine does is measured in:

    14. Your answer:
    Watts
    Horsepower
    Amps

  14. James Watt invented the concept of:

    15. Your answer:
    BTU's
    Power
    horsepower

  15. Torque is:

    16. Your answer:
    a pulling force
    a turning force
    a compression force

  16. Who created the 3 laws of robotics?

    17. Your answer:
    Isaac Asimov
    James Watt
    Isaac Newton

  17. How did the 1997 Mars Pathfinder mission land on Mars?

    18. Your answer:
    with giant rockets
    it didn't, it just flew around
    with giant airbags

  18. How long does it take a radio signal to reach Mars to control a robot?

    19. Your answer:
    11 minutes
    3 seconds
    2.5 minutes

  19. What term describes a robot being able to do things without human help?

    20. Your answer:
    autonomous
    autobotically
    automatic

  20. Which of the following jobs would a human be better at than a robot?

    21. Your answer:
    placing chocolates in a box
    soldering a circuit board
    painting a picture

  21. Gasoline is used in automobiles because it is so easy to make.

    22. Your answer:
    TrueFalse

  22. Automobile engines are 2-stroke engines.

    23. Your answer:
    TrueFalse

  23. A ramp for handicapped people is an example of a simple machine.

    24. Your answer:
    TrueFalse

  24. Water is the liquid used in Hydraulic systems.

    25. Your answer:
    TrueFalse

  25. PSI stands for pounds per square foot.

    26. Your answer:
    TrueFalse

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