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Types of Levers Worksheet

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

Answer key

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

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