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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 400 · 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.⚖️ In a class 2 lever, what is in the middle? (a) the axle (b) the fulcrum (c) the effort (d) the load
  2. 2.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 30 cm and the load at 50 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  3. 3.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 20 cm and the load at 50 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  4. 4.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 60 cm and the load at 10 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  5. 5.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 20 cm and the load at 100 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  6. 6.⚖️ Which class of lever is a pair of pliers? (a) class 3 (b) class 1 (c) class 2
  7. 7.True or false: a bottle opener is a class 1 lever (fulcrum in the middle). (a) False (b) True
  8. 8.⚖️ What is the pivot point of a lever called? (a) the effort (b) the fulcrum (c) the load (d) the axle
  9. 9.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the fulcrum (b) far from the fulcrum (c) near the fulcrum (d) on the rock
  10. 10.True or false: a crowbar is a class 1 lever (fulcrum in the middle). (a) False (b) True
  11. 11.True or false: your forearm is a class 3 lever (effort in the middle). (a) True (b) False
  12. 12.⚖️ Which class of lever is a crowbar? (a) class 3 (b) class 1 (c) class 2
  13. 13.⚖️ Along a straight bar, measured from the left end, the effort is at 90 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
  14. 14.⚖️ Which class of lever is a beam balance? (a) class 2 (b) class 3 (c) class 1
  15. 15.⚖️ Which class of lever is a nutcracker? (a) class 2 (b) class 3 (c) class 1
  16. 16.⚖️ Which class of lever is a pair of scissors? (a) class 1 (b) class 3 (c) class 2
  17. 17.⚖️ 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 2 (b) class 1 (c) class 3
  18. 18.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 80 cm and the load at 20 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  19. 19.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 30 cm and the load at 10 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  20. 20.⚖️ 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
  21. 21.True or false: a pair of kitchen tongs is a class 2 lever (load in the middle). (a) False (b) True
  22. 22.⚖️ Which class of lever is a wheelbarrow? (a) class 1 (b) class 2 (c) class 3
  23. 23.⚖️ In a class 3 lever, what is in the middle? (a) the load (b) the fulcrum (c) the pulley (d) the effort
  24. 24.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 50 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  25. 25.⚖️ 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 2 (b) class 1 (c) class 3
  26. 26.⚖️ 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 3 (b) class 1 (c) class 2
  27. 27.True or false: a pair of kitchen tongs is a class 3 lever (effort in the middle). (a) True (b) False
  28. 28.⚖️ 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 2 (b) class 3 (c) class 1
  29. 29.⚖️ In a class 1 lever, what is in the middle? (a) the effort (b) nothing (c) the fulcrum (d) the load
  30. 30.⚖️ Which class of lever is a fishing rod? (a) class 1 (b) class 2 (c) class 3
  31. 31.True or false: a pair of scissors is a class 1 lever (fulcrum in the middle). (a) False (b) True
  32. 32.⚖️ Along a straight bar, measured from the left end, the effort is at 40 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
  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 60 cm, the fulcrum at 50 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 50 cm, the fulcrum at 20 cm and the load at 40 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 20 cm, the fulcrum at 40 cm and the load at 60 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  37. 37.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) False (b) True
  38. 38.⚖️ Which class of lever is a bottle opener? (a) class 2 (b) class 1 (c) class 3
  39. 39.⚖️ Along a straight bar, measured from the left end, the effort is at 80 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
  40. 40.True or false: a pair of tweezers is a class 1 lever (fulcrum in the middle). (a) False (b) True

Answer key

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

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