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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 148 · 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.⚖️ 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
  2. 2.⚖️ 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
  3. 3.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 1 (b) class 2 (c) class 3
  4. 4.⚖️ Which class of lever is a beam balance? (a) class 2 (b) class 1 (c) class 3
  5. 5.True or false: a bottle opener is a class 2 lever (load in the middle). (a) True (b) False
  6. 6.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 80 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  7. 7.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 50 cm and the load at 10 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  8. 8.⚖️ Going along a lever from one end to the other, the order is: effort, fulcrum, load. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  9. 9.True or false: a fishing rod is a class 3 lever (effort in the middle). (a) False (b) True
  10. 10.⚖️ 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
  11. 11.⚖️ Which class of lever is a crowbar? (a) class 3 (b) class 2 (c) class 1
  12. 12.⚖️ In a class 2 lever, what is in the middle? (a) the axle (b) the effort (c) the load (d) the fulcrum
  13. 13.⚖️ In a class 3 lever, what is in the middle? (a) the effort (b) the load (c) the pulley (d) the fulcrum
  14. 14.True or false: a pair of scissors is a class 3 lever (effort in the middle). (a) True (b) False
  15. 15.⚖️ Along a straight bar, measured from the left end, the effort is at 90 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
  16. 16.⚖️ 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 3 (b) class 2 (c) class 1
  17. 17.True or false: a lemon squeezer is a class 2 lever (load in the middle). (a) False (b) True
  18. 18.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 50 cm and the load at 0 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  19. 19.True or false: a beam balance is a class 1 lever (fulcrum in the middle). (a) True (b) False
  20. 20.⚖️ Which class of lever is your forearm? (a) class 3 (b) class 2 (c) class 1
  21. 21.True or false: a nutcracker is a class 3 lever (effort in the middle). (a) True (b) False
  22. 22.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the rock (b) on the fulcrum (c) far from the fulcrum (d) near the fulcrum
  23. 23.True or false: a wheelbarrow is a class 3 lever (effort in the middle). (a) True (b) False
  24. 24.True or false: a pair of kitchen tongs is a class 3 lever (effort in the middle). (a) False (b) True
  25. 25.True or false: your forearm is a class 3 lever (effort in the middle). (a) False (b) True
  26. 26.True or false: a pair of tweezers is a class 2 lever (load in the middle). (a) True (b) False
  27. 27.⚖️ Along a straight bar, measured from the left end, the effort is at 40 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
  28. 28.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 50 cm and the load at 90 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  29. 29.True or false: a crowbar is a class 2 lever (load in the middle). (a) False (b) True
  30. 30.True or false: a crowbar is a class 1 lever (fulcrum in the middle). (a) False (b) True
  31. 31.⚖️ Along a straight bar, measured from the left end, the effort is at 80 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
  32. 32.True or false: a wheelbarrow is a class 2 lever (load in the middle). (a) True (b) False
  33. 33.⚖️ Along a straight bar, measured from the left end, the effort is at 100 cm, the fulcrum at 20 cm and the load at 60 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  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 60 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  35. 35.⚖️ Which class of lever is a seesaw? (a) class 1 (b) class 3 (c) class 2
  36. 36.⚖️ 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 3 (b) class 1 (c) class 2
  37. 37.⚖️ Which class of lever is a pair of tweezers? (a) class 2 (b) class 1 (c) class 3
  38. 38.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 10 cm and the load at 70 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  39. 39.True or false: a pair of kitchen tongs is a class 2 lever (load in the middle). (a) True (b) False
  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. class 3
  2. class 2
  3. class 3
  4. class 1
  5. True
  6. class 3
  7. class 1
  8. class 1
  9. True
  10. class 2
  11. class 1
  12. the load
  13. the effort
  14. False
  15. class 1
  16. class 2
  17. True
  18. class 3
  19. True
  20. class 3
  21. False
  22. far from the fulcrum
  23. False
  24. True
  25. True
  26. False
  27. class 3
  28. class 1
  29. False
  30. True
  31. class 1
  32. True
  33. class 2
  34. class 1
  35. class 1
  36. class 2
  37. class 3
  38. class 3
  39. False
  40. False

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