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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 253 · 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 1 lever, what is in the middle? (a) the effort (b) the fulcrum (c) the load (d) nothing
  2. 2.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 30 cm and the load at 100 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  3. 3.⚖️ Which class of lever is your forearm? (a) class 3 (b) class 1 (c) class 2
  4. 4.True or false: a lemon squeezer is a class 3 lever (effort in the middle). (a) False (b) True
  5. 5.⚖️ Along a straight bar, measured from the left end, the effort is at 90 cm, the fulcrum at 50 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  6. 6.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 40 cm and the load at 50 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  7. 7.⚖️ What is the pivot point of a lever called? (a) the load (b) the effort (c) the axle (d) the fulcrum
  8. 8.⚖️ Which class of lever is a fishing rod? (a) class 2 (b) class 3 (c) class 1
  9. 9.⚖️ Which class of lever is a nutcracker? (a) class 2 (b) class 3 (c) class 1
  10. 10.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the fulcrum (b) on the rock (c) far from the fulcrum (d) near the fulcrum
  11. 11.⚖️ Going along a lever from one end to the other, the order is: fulcrum, load, effort. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  12. 12.⚖️ In a class 2 lever, what is in the middle? (a) the fulcrum (b) the axle (c) the load (d) the effort
  13. 13.True or false: a wheelbarrow is a class 2 lever (load in the middle). (a) True (b) False
  14. 14.⚖️ Which class of lever is a pair of tweezers? (a) class 2 (b) class 1 (c) class 3
  15. 15.True or false: a bottle opener is a class 2 lever (load in the middle). (a) False (b) True
  16. 16.True or false: a nutcracker is a class 1 lever (fulcrum in the middle). (a) False (b) True
  17. 17.⚖️ 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 1 (c) class 3
  18. 18.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 1 (b) class 2 (c) class 3
  19. 19.⚖️ Which class of lever is a pair of scissors? (a) class 1 (b) class 3 (c) class 2
  20. 20.⚖️ Which class of lever is a lemon squeezer? (a) class 2 (b) class 3 (c) class 1
  21. 21.True or false: your forearm is a class 2 lever (load in the middle). (a) False (b) True
  22. 22.⚖️ Which class of lever is a broom when sweeping? (a) class 2 (b) class 1 (c) class 3
  23. 23.True or false: a seesaw is a class 3 lever (effort in the middle). (a) False (b) True
  24. 24.True or false: a fishing rod is a class 1 lever (fulcrum in the middle). (a) False (b) True
  25. 25.⚖️ Which class of lever is a seesaw? (a) class 1 (b) class 2 (c) class 3
  26. 26.True or false: a crowbar is a class 1 lever (fulcrum in the middle). (a) True (b) False
  27. 27.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 60 cm and the load at 40 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  28. 28.True or false: a pair of kitchen tongs is a class 3 lever (effort in the middle). (a) True (b) False
  29. 29.⚖️ Going along a lever from one end to the other, the order is: load, effort, fulcrum. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  30. 30.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 60 cm and the load at 40 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  31. 31.⚖️ 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
  32. 32.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 40 cm and the load at 60 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  33. 33.⚖️ 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 3 (c) class 2
  34. 34.True or false: a pair of scissors is a class 1 lever (fulcrum in the middle). (a) False (b) True
  35. 35.⚖️ Which class of lever is a crowbar? (a) class 3 (b) class 2 (c) class 1
  36. 36.⚖️ Which class of lever is a bottle opener? (a) class 1 (b) class 2 (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.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 0 cm and the load at 60 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  39. 39.⚖️ 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 3 (b) class 2 (c) class 1
  40. 40.⚖️ 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

Answer key

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

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