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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 772 · 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 50 cm, the fulcrum at 30 cm and the load at 80 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  2. 2.True or false: a pair of kitchen tongs is a class 3 lever (effort in the middle). (a) False (b) True
  3. 3.⚖️ In a class 1 lever, what is in the middle? (a) nothing (b) the fulcrum (c) the effort (d) the load
  4. 4.⚖️ Which class of lever is a beam balance? (a) class 2 (b) class 1 (c) class 3
  5. 5.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 10 cm and the load at 60 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  6. 6.⚖️ 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
  7. 7.⚖️ 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 1 (c) class 2
  8. 8.⚖️ What is the pivot point of a lever called? (a) the effort (b) the axle (c) the load (d) the fulcrum
  9. 9.⚖️ Which class of lever is a pair of scissors? (a) class 3 (b) class 1 (c) class 2
  10. 10.⚖️ Which class of lever is a seesaw? (a) class 3 (b) class 1 (c) class 2
  11. 11.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 30 cm and the load at 0 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  12. 12.⚖️ 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 3 (c) class 1
  13. 13.⚖️ In a class 2 lever, what is in the middle? (a) the fulcrum (b) the axle (c) the effort (d) the load
  14. 14.⚖️ Which class of lever is a crowbar? (a) class 3 (b) class 1 (c) class 2
  15. 15.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 70 cm and the load at 10 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  16. 16.⚖️ Which class of lever is a nutcracker? (a) class 2 (b) class 1 (c) class 3
  17. 17.True or false: a pair of tweezers is a class 1 lever (fulcrum in the middle). (a) False (b) True
  18. 18.⚖️ Which class of lever is a lemon squeezer? (a) class 2 (b) class 1 (c) class 3
  19. 19.⚖️ Which class of lever is a broom when sweeping? (a) class 2 (b) class 1 (c) class 3
  20. 20.True or false: your forearm is a class 3 lever (effort in the middle). (a) True (b) False
  21. 21.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 50 cm and the load at 10 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  22. 22.⚖️ In a class 3 lever, what is in the middle? (a) the fulcrum (b) the effort (c) the pulley (d) the load
  23. 23.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 50 cm and the load at 20 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  24. 24.⚖️ 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
  25. 25.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the fulcrum (b) near the fulcrum (c) on the rock (d) far from the fulcrum
  26. 26.True or false: a beam balance is a class 1 lever (fulcrum in the middle). (a) False (b) True
  27. 27.⚖️ Along a straight bar, measured from the left end, the effort is at 30 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
  28. 28.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 10 cm and the load at 60 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  29. 29.True or false: a pair of tweezers is a class 3 lever (effort in the middle). (a) True (b) False
  30. 30.⚖️ Going along a lever from one end to the other, the order is: load, effort, fulcrum. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  31. 31.⚖️ Along a straight bar, measured from the left end, the effort is at 10 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
  32. 32.⚖️ 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 1 (c) class 3
  33. 33.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 60 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  34. 34.True or false: a pair of scissors is a class 3 lever (effort 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 60 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  36. 36.⚖️ Along a straight bar, measured from the left end, the effort is at 10 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.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 40 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  38. 38.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 20 cm and the load at 90 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  39. 39.True or false: a wheelbarrow is a class 2 lever (load in the middle). (a) False (b) True
  40. 40.True or false: a wheelbarrow is a class 1 lever (fulcrum in the middle). (a) True (b) False

Answer key

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

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