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Chapter 13 Review Game

Chapter 13 Review Game. March 1, 2011. The transfer of energy to an object by the application of force that causes the object to move in the direction of the force. Present your answers!. work. A machine makes work easier by decreasing the amount of _____ needed to produce work.

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Chapter 13 Review Game

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  1. Chapter 13 Review Game March 1, 2011

  2. The transfer of energy to an object by the application of force that causes the object to move in the direction of the force. Present your answers! work

  3. A machine makes work easier by decreasing the amount of _____ needed to produce work. Present your answers! force.

  4. What is the equation for work? Present your answers! W=Fd work=force x distance

  5. If you push against a car for 5 min. and it does not move, how much work is done? Present your answers! zero

  6. What are the three classes of levers? Present your answers! first class, second class, third class

  7. A single moveable pulley has a mechanical advantage of ____ Present your answers! 2

  8. A wedge is a type of modified_____ Present your answers! inclined plane

  9. The pivot point of a lever is called the_____. Present your answers! fulcrum

  10. What are the two families of simple machines? Present your answers! lever family and inclined plane family

  11. What is the equation for mechanical advantage? Present your answers! MA= OF/IF = ID/OD mech. adv. = output force/input force = input distance/output distance

  12. An _____ system receives energy from external sources. Present your answers! open

  13. The rate at which work is done is defined as _______. Present your answers! power

  14. What is the equation for kinetic energy? Present your answers! KE= 1/2mv²

  15. Scissors are an example of a ______ machine. Present your answers! compound

  16. The law of conservation states that energy_______ Present your answers! cannot be created or destroyed

  17. A screwdriver is an example of what type of simple machine? Present your answers! wheel and axle

  18. Type of energy that associated with electromagnetic waves. Present your answers! light energy

  19. The unit of measure for force is _____. Present your answers! Newtons

  20. What is the formula for potential energy? Present your answers! PE=mgh

  21. Type of energy stored in chemical bonds. Present your answers! chemical

  22. What is the unit of measure for power? Present your answers! Watt

  23. A ramp is a type of ______ machine. Present your answers! simple

  24. What is the equation for efficiency? Present your answers! E = O/I efficiency = work output/work input

  25. Machines lose some of their useful work output to _____. Present your answers! friction

  26. True or FalseIncreasing the speed of an object increases its potential energy. Present your answers! False

  27. A pulley is a simple machine in the ______ family. Present your answers! lever

  28. True or FalseMachines increase the amount of work done by decreasing the amount of force. Present your answers! False

  29. This is the energy of motion. Present your answers! kinetic

  30. The unit of measure for work is___. Present your answers! Joules

  31. What is the equation for power? Present your answers! P = W/t

  32. A wheelbarrow is an example of a ______ lever. Present your answers! third class

  33. What are the six types of simple machines? Present your answers! simple lever, pulley, wheel and axle, inclined plane, wedge, and screw

  34. This type of energy increases as mass and height are increased. Present your answers! potential

  35. As a ball bounces, some of its ________energy changes to nonmechanical energy. Present your answers! mechanical

  36. A roller coaster car has maximum _______ energy at the top of a hill. Present your answers! potential

  37. Mechanical energy is the sum of the kinetic and _____ energy in a system. Present your answers! potential

  38. True or FalseAll work done by machines is useful work. Present your answers! False

  39. All machines need _____ input. Present your answers! energy

  40. True or FalseEnergy cannot be transformed from one form to another. Present your answers! False

  41. The sun gets its energy from the process of ______ Present your answers! nuclear fusion

  42. The unit of measure for energy is _____. Present your answers! Joules

  43. THE END!!!! Present your answers!

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