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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 928 · 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 30 cm, the fulcrum at 70 cm and the load at 10 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  2. 2.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 0 cm and the load at 20 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  3. 3.⚖️ Going along a lever from one end to the other, the order is: fulcrum, load, effort. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  4. 4.True or false: a seesaw is a class 2 lever (load in the middle). (a) True (b) False
  5. 5.⚖️ Which class of lever is a pair of tweezers? (a) class 1 (b) class 3 (c) class 2
  6. 6.⚖️ Going along a lever from one end to the other, the order is: load, fulcrum, effort. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  7. 7.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) False (b) True
  8. 8.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 10 cm and the load at 0 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  9. 9.⚖️ 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 2 (c) class 3
  10. 10.⚖️ Which class of lever is a lemon squeezer? (a) class 2 (b) class 3 (c) class 1
  11. 11.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 50 cm and the load at 70 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  12. 12.True or false: a seesaw is a class 3 lever (effort in the middle). (a) True (b) False
  13. 13.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 30 cm and the load at 70 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  14. 14.True or false: a lemon squeezer is a class 3 lever (effort in the middle). (a) True (b) False
  15. 15.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 40 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  16. 16.True or false: a nutcracker is a class 2 lever (load in the middle). (a) True (b) False
  17. 17.⚖️ Along a straight bar, measured from the left end, the effort is at 90 cm, the fulcrum at 10 cm and the load at 50 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  18. 18.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 80 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  19. 19.⚖️ In a class 1 lever, what is in the middle? (a) the fulcrum (b) the load (c) nothing (d) the effort
  20. 20.⚖️ Which class of lever is a crowbar? (a) class 1 (b) class 3 (c) class 2
  21. 21.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 50 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  22. 22.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 60 cm and the load at 100 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  23. 23.True or false: a crowbar is a class 3 lever (effort in the middle). (a) True (b) False
  24. 24.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 40 cm and the load at 20 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  25. 25.⚖️ Which class of lever is a seesaw? (a) class 1 (b) class 2 (c) class 3
  26. 26.⚖️ Which class of lever is a pair of scissors? (a) class 1 (b) class 2 (c) class 3
  27. 27.⚖️ Which class of lever is a bottle opener? (a) class 1 (b) class 3 (c) class 2
  28. 28.True or false: a pair of pliers is a class 2 lever (load in the middle). (a) True (b) False
  29. 29.True or false: a fishing rod is a class 2 lever (load in the middle). (a) False (b) True
  30. 30.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 20 cm and the load at 10 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  31. 31.True or false: a bottle opener is a class 3 lever (effort in the middle). (a) False (b) True
  32. 32.⚖️ In a class 2 lever, what is in the middle? (a) the fulcrum (b) the effort (c) the load (d) the axle
  33. 33.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the rock (b) on the fulcrum (c) near the fulcrum (d) far from the fulcrum
  34. 34.⚖️ Along a straight bar, measured from the left end, the effort is at 0 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
  35. 35.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 60 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  36. 36.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 30 cm and the load at 20 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  37. 37.True or false: your forearm is a class 3 lever (effort in the middle). (a) False (b) True
  38. 38.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 40 cm and the load at 20 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  39. 39.⚖️ Which class of lever is a fishing rod? (a) class 2 (b) class 1 (c) class 3
  40. 40.⚖️ Which class of lever is a pair of pliers? (a) class 2 (b) class 1 (c) class 3

Answer key

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

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