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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 391 · 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 pair of pliers is a class 1 lever (fulcrum in the middle). (a) False (b) True
  2. 2.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 30 cm and the load at 50 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  3. 3.True or false: your forearm is a class 3 lever (effort in the middle). (a) True (b) False
  4. 4.⚖️ Which class of lever is a beam balance? (a) class 2 (b) class 3 (c) class 1
  5. 5.⚖️ In a class 2 lever, what is in the middle? (a) the load (b) the effort (c) the axle (d) the fulcrum
  6. 6.True or false: a pair of pliers is a class 2 lever (load in the middle). (a) False (b) True
  7. 7.True or false: a wheelbarrow is a class 2 lever (load in the middle). (a) False (b) True
  8. 8.⚖️ Which class of lever is a broom when sweeping? (a) class 1 (b) class 2 (c) class 3
  9. 9.⚖️ Which class of lever is a fishing rod? (a) class 1 (b) class 3 (c) class 2
  10. 10.True or false: a crowbar is a class 1 lever (fulcrum in the middle). (a) True (b) False
  11. 11.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 70 cm and the load at 50 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  12. 12.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) far from the fulcrum (b) on the fulcrum (c) on the rock (d) near the fulcrum
  13. 13.⚖️ Which class of lever is a bottle opener? (a) class 3 (b) class 1 (c) class 2
  14. 14.⚖️ In a class 3 lever, what is in the middle? (a) the load (b) the fulcrum (c) the effort (d) the pulley
  15. 15.⚖️ Going along a lever from one end to the other, the order is: effort, fulcrum, load. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  16. 16.⚖️ Which class of lever is a crowbar? (a) class 3 (b) class 2 (c) class 1
  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 60 cm, the fulcrum at 20 cm and the load at 50 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  19. 19.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 60 cm and the load at 50 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  20. 20.True or false: a bottle opener is a class 1 lever (fulcrum in the middle). (a) False (b) True
  21. 21.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 80 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  22. 22.True or false: a seesaw is a class 1 lever (fulcrum in the middle). (a) False (b) True
  23. 23.⚖️ Along a straight bar, measured from the left end, the effort is at 70 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
  24. 24.⚖️ Which class of lever is a pair of tweezers? (a) class 3 (b) class 2 (c) class 1
  25. 25.⚖️ What is the pivot point of a lever called? (a) the axle (b) the fulcrum (c) the effort (d) the load
  26. 26.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 10 cm and the load at 20 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  27. 27.True or false: a pair of kitchen tongs is a class 3 lever (effort in the middle). (a) False (b) True
  28. 28.True or false: a fishing rod is a class 3 lever (effort in the middle). (a) False (b) True
  29. 29.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 20 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  30. 30.⚖️ Which class of lever is a wheelbarrow? (a) class 2 (b) class 1 (c) class 3
  31. 31.True or false: a broom when sweeping is a class 1 lever (fulcrum in the middle). (a) True (b) False
  32. 32.⚖️ Along a straight bar, measured from the left end, the effort is at 100 cm, the fulcrum at 60 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  33. 33.⚖️ Which class of lever is your forearm? (a) class 1 (b) class 3 (c) class 2
  34. 34.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 60 cm and the load at 50 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  35. 35.⚖️ Along a straight bar, measured from the left end, the effort is at 40 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
  36. 36.⚖️ Which class of lever is a nutcracker? (a) class 1 (b) class 3 (c) class 2
  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 2 (b) class 3 (c) class 1
  38. 38.⚖️ Along a straight bar, measured from the left end, the effort is at 90 cm, the fulcrum at 50 cm and the load at 10 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  39. 39.True or false: a lemon squeezer is a class 2 lever (load in the middle). (a) False (b) True
  40. 40.True or false: a crowbar is a class 3 lever (effort in the middle). (a) True (b) False

Answer key

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

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