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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 917 · 40 questions
TalentJR

Engineer's tip (What is in the middle?): Find the fulcrum, the load and the effort. Put them in order along the bar and look at the middle one. Fulcrum middle → class 1 · load middle → class 2 · effort middle → class 3.

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  1. 1.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 50 cm and the load at 0 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  2. 2.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 60 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  3. 3.⚖️ In a class 1 lever, what is in the middle? (a) the load (b) nothing (c) the effort (d) the fulcrum
  4. 4.⚖️ Which class of lever is a seesaw? (a) class 1 (b) class 3 (c) class 2
  5. 5.⚖️ Which class of lever is a fishing rod? (a) class 1 (b) class 2 (c) class 3
  6. 6.⚖️ Which class of lever is a beam balance? (a) class 1 (b) class 2 (c) class 3
  7. 7.⚖️ Going along a lever from one end to the other, the order is: effort, fulcrum, load. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  8. 8.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 40 cm and the load at 50 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  9. 9.True or false: a pair of kitchen tongs is a class 3 lever (effort in the middle). (a) False (b) True
  10. 10.True or false: a crowbar is a class 2 lever (load in the middle). (a) True (b) False
  11. 11.True or false: a fishing rod is a class 3 lever (effort in the middle). (a) True (b) False
  12. 12.⚖️ Which class of lever is a wheelbarrow? (a) class 2 (b) class 1 (c) class 3
  13. 13.True or false: a bottle opener is a class 2 lever (load in the middle). (a) True (b) False
  14. 14.True or false: a nutcracker is a class 1 lever (fulcrum in the middle). (a) False (b) True
  15. 15.⚖️ In a class 3 lever, what is in the middle? (a) the effort (b) the pulley (c) the load (d) the fulcrum
  16. 16.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 1 (b) class 2 (c) class 3
  17. 17.True or false: a pair of scissors is a class 1 lever (fulcrum in the middle). (a) True (b) False
  18. 18.True or false: a pair of pliers is a class 2 lever (load in the middle). (a) True (b) False
  19. 19.⚖️ What is the pivot point of a lever called? (a) the axle (b) the fulcrum (c) the load (d) the effort
  20. 20.⚖️ Along a straight bar, measured from the left end, the effort is at 90 cm, the fulcrum at 20 cm and the load at 60 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  21. 21.⚖️ Along a straight bar, measured from the left end, the effort is at 100 cm, the fulcrum at 70 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  22. 22.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 30 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  23. 23.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 20 cm and the load at 60 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  24. 24.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) far from the fulcrum (b) near the fulcrum (c) on the rock (d) on the fulcrum
  25. 25.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 70 cm and the load at 0 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  26. 26.True or false: a pair of kitchen tongs is a class 2 lever (load in the middle). (a) True (b) False
  27. 27.⚖️ In a class 2 lever, what is in the middle? (a) the effort (b) the fulcrum (c) the load (d) the axle
  28. 28.⚖️ Going along a lever from one end to the other, the order is: effort, load, fulcrum. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  29. 29.True or false: a crowbar is a class 3 lever (effort in the middle). (a) True (b) False
  30. 30.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 100 cm and the load at 70 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  31. 31.True or false: a pair of tweezers is a class 1 lever (fulcrum in the middle). (a) False (b) True
  32. 32.⚖️ Which class of lever is your forearm? (a) class 2 (b) class 1 (c) class 3
  33. 33.⚖️ Which class of lever is a lemon squeezer? (a) class 2 (b) class 1 (c) class 3
  34. 34.⚖️ Going along a lever from one end to the other, the order is: fulcrum, effort, load. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  35. 35.True or false: a beam balance is a class 2 lever (load in the middle). (a) False (b) True
  36. 36.True or false: a fishing rod is a class 1 lever (fulcrum in the middle). (a) False (b) True
  37. 37.⚖️ Going along a lever from one end to the other, the order is: load, effort, fulcrum. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  38. 38.⚖️ Going along a lever from one end to the other, the order is: fulcrum, load, effort. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  39. 39.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 10 cm and the load at 70 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  40. 40.⚖️ Which class of lever is a pair of scissors? (a) class 1 (b) class 3 (c) class 2

Answer key

  1. class 3
  2. class 1
  3. the fulcrum
  4. class 1
  5. class 3
  6. class 1
  7. class 1
  8. class 1
  9. True
  10. False
  11. True
  12. class 2
  13. True
  14. False
  15. the effort
  16. class 3
  17. True
  18. False
  19. the fulcrum
  20. class 2
  21. class 1
  22. class 1
  23. class 3
  24. far from the fulcrum
  25. class 3
  26. False
  27. the load
  28. class 2
  29. False
  30. class 2
  31. False
  32. class 3
  33. class 2
  34. class 3
  35. False
  36. False
  37. class 3
  38. class 2
  39. class 3
  40. class 1

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