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CHAPTER 3 TEST

CHAPTER 3 TEST. SIMPLE MACHINES. Matching: On your answer sheet, put the correct letter in the space provided. 1. a simple machine made up of a grooved wheel with a rope or cable wrapped around it. 2. the transfer of energy to an object by

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CHAPTER 3 TEST

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  1. CHAPTER 3 TEST SIMPLE MACHINES

  2. Matching: On your answer sheet, put the correct letter in the space provided. 1. a simple machine made up of a grooved wheel with a rope or cable wrapped around it. 2. the transfer of energy to an object by a force that makes an object move in the direction of the force 3. a sloped surface that moves 4. the rate at which work is done 5. the ratio of the output force exerted to the input force applied 6. the ratio of the output work to the input work 7. an inclined plane wrapped around a cylinder 8. a flat, sloped surface A.power B.wedge C.work D.mechanical advantage E.efficiency F.screw G.wheel and axle H.pulley I.inclined plane

  3. MULTIPLE CHOICE FOR THE FOLLOWING PROBLEMS, PUT THE CORRECT LETTER IN THE SPACE PROVIDED. FOR BONUS, WRITE THE SCHOOL THEME FOR THIS YEAR UNDER YOUR NAME ON THE ANSWER SHEET

  4. QUESTION 9 Which distance do you measure to determine how much work was done on an object that has been moved? A. vertical distance B. horizontal distance C. all distance against gravity D. distance in the direction of motion

  5. QUESTION10 A rake makes doing work easier by changing theA. size of the force.B. distance a force acts.C. direction of the force.D. amount of work required

  6. QUESTION 11 Which factor always causes the output work of a machine to be less than the input work?A. gravityB. fatigueC. frictionD. distance

  7. QUESTION 12 How is the energy of an object affected after work is done on it?A. Energy is increased.B. Energy is decreased.C. Energy remains the same.

  8. QUESTION 13 Which machine works by changing the direction of a force?A. a rakeB. a pulleyC. a screwdriver

  9. QUESTION 14 Which statement describes the relationship between input work and output work using a machine?A. Input work is always equal to output work.B. Input work is always less than output work.C. Input work is always greater than output work

  10. QUESTION 15 Which two factors are used to calculate work?A. speed and timeB. force and speedC. time and distanceD. distance and force

  11. QUESTION 16 Which option is NOT a way that machines can make work easier?A. Increase the total energy.B. Change the size of a force.C. Change the direction of a force.D. Increase the distance a force acts.

  12. True or False. Put T (true) or F (false) in the space provided on your answer sheet 17 Simple machines are tools that make work easier.18 Simple machines have many complex parts.19 Simple machines require no energy to do work.20 Simple machines do work with one movement.21 Simple machines give us an advantage by changing the amount, speed or direction of forces.22 Simple machines require a much greater force to overcome a smaller force.

  13. IDENTIFYING SIMPLE MACHINES PUT THE CORRECT NAME OF THE SIMPLE MACHINE IN THE SPACE PROVIDED

  14. QUESTION 23

  15. QUESTION 24

  16. QUESTION 25

  17. QUESTION 26

  18. QUESTION 27

  19. QUESTION 28

  20. QUESTION 29

  21. QUESTION 30

  22. QUESTION 31 NOT THE CART WITH WHEELS

  23. QUESTION 32

  24. QUESTION 33

  25. QUESTION 34

  26. QUESTION 35

  27. QUESTION 36

  28. QUESTION 37

  29. QUESTION 38

  30. QUESTION 39 WHAT 2 SIMPLE MACHINES CAN BE SEEN BELOW

  31. QUESTION 40 LIST AS MANY SIMPLE MACHINES AS YOU CAN. BE SURE TO EXPLAIN WHERE EACH CAN BE FOUND ON THE BICYCLE

  32. TURN IN YOUR ANSWER SHEET AND EXIT OUT OF THIS TEST

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