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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 513 · 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.⚖️ Which class of lever is a pair of scissors? (a) class 2 (b) class 3 (c) class 1
  2. 2.True or false: a crowbar is a class 2 lever (load in the middle). (a) False (b) True
  3. 3.True or false: a lemon squeezer is a class 2 lever (load in the middle). (a) False (b) True
  4. 4.⚖️ 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 3 (c) class 2
  5. 5.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 90 cm and the load at 60 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  6. 6.⚖️ Which class of lever is a beam balance? (a) class 3 (b) class 2 (c) class 1
  7. 7.⚖️ In a class 2 lever, what is in the middle? (a) the load (b) the fulcrum (c) the axle (d) the effort
  8. 8.True or false: a pair of kitchen tongs is a class 2 lever (load in the middle). (a) True (b) False
  9. 9.⚖️ In a class 3 lever, what is in the middle? (a) the load (b) the effort (c) the fulcrum (d) the pulley
  10. 10.⚖️ What is the pivot point of a lever called? (a) the load (b) the effort (c) the axle (d) the fulcrum
  11. 11.⚖️ Along a straight bar, measured from the left end, the effort is at 70 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
  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.True or false: a bottle opener is a class 1 lever (fulcrum in the middle). (a) True (b) False
  14. 14.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 40 cm and the load at 0 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  15. 15.⚖️ In a class 1 lever, what is in the middle? (a) the load (b) the fulcrum (c) the effort (d) nothing
  16. 16.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 0 cm and the load at 50 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  17. 17.True or false: a crowbar is a class 3 lever (effort in the middle). (a) False (b) True
  18. 18.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) True (b) False
  19. 19.⚖️ Going along a lever from one end to the other, the order is: load, fulcrum, effort. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  20. 20.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 20 cm and the load at 0 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  21. 21.⚖️ 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 3 (c) class 1
  22. 22.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 10 cm and the load at 80 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  23. 23.True or false: a pair of pliers 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 60 cm, the fulcrum at 30 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  25. 25.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 30 cm and the load at 0 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  26. 26.⚖️ 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 3 (c) class 2
  27. 27.⚖️ 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 3 (c) class 2
  28. 28.⚖️ Along a straight bar, measured from the left end, the effort is at 80 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
  29. 29.True or false: a bottle opener is a class 3 lever (effort in the middle). (a) False (b) True
  30. 30.⚖️ Which class of lever is a pair of pliers? (a) class 2 (b) class 3 (c) class 1
  31. 31.⚖️ Which class of lever is a broom when sweeping? (a) class 3 (b) class 1 (c) class 2
  32. 32.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 60 cm and the load at 100 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  33. 33.True or false: a wheelbarrow is a class 3 lever (effort in the middle). (a) True (b) False
  34. 34.⚖️ 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 2 (b) class 3 (c) class 1
  35. 35.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 30 cm and the load at 40 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  36. 36.⚖️ Which class of lever is a crowbar? (a) class 2 (b) class 1 (c) class 3
  37. 37.True or false: a lemon squeezer is a class 1 lever (fulcrum in the middle). (a) False (b) True
  38. 38.True or false: a seesaw is a class 1 lever (fulcrum in the middle). (a) False (b) True
  39. 39.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 40 cm and the load at 80 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  40. 40.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 100 cm and the load at 60 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3

Answer key

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

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