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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 304 · 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 seesaw? (a) class 1 (b) class 2 (c) class 3
  2. 2.⚖️ Which class of lever is a wheelbarrow? (a) class 3 (b) class 1 (c) class 2
  3. 3.⚖️ What is the pivot point of a lever called? (a) the axle (b) the load (c) the fulcrum (d) the effort
  4. 4.⚖️ Which class of lever is your forearm? (a) class 3 (b) class 1 (c) class 2
  5. 5.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 70 cm and the load at 0 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  6. 6.True or false: a pair of scissors is a class 3 lever (effort in the middle). (a) False (b) True
  7. 7.⚖️ Going along a lever from one end to the other, the order is: load, fulcrum, effort. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  8. 8.⚖️ Which class of lever is a pair of tweezers? (a) class 2 (b) class 3 (c) class 1
  9. 9.⚖️ In a class 1 lever, what is in the middle? (a) the effort (b) nothing (c) the load (d) the fulcrum
  10. 10.⚖️ Which class of lever is a nutcracker? (a) class 2 (b) class 1 (c) class 3
  11. 11.True or false: a lemon squeezer is a class 2 lever (load in the middle). (a) False (b) True
  12. 12.⚖️ Going along a lever from one end to the other, the order is: fulcrum, load, effort. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  13. 13.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 50 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  14. 14.True or false: a pair of pliers is a class 3 lever (effort in the middle). (a) True (b) False
  15. 15.⚖️ Which class of lever is a lemon squeezer? (a) class 3 (b) class 1 (c) class 2
  16. 16.True or false: a fishing rod is a class 1 lever (fulcrum in the middle). (a) False (b) True
  17. 17.True or false: a pair of tweezers is a class 1 lever (fulcrum in the middle). (a) True (b) False
  18. 18.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 1 (b) class 2 (c) class 3
  19. 19.⚖️ 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 1 (c) class 3
  20. 20.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 40 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  21. 21.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 40 cm and the load at 70 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  22. 22.⚖️ Going along a lever from one end to the other, the order is: fulcrum, effort, load. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  23. 23.⚖️ 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 3 (b) class 2 (c) class 1
  24. 24.True or false: a bottle opener is a class 3 lever (effort in the middle). (a) True (b) False
  25. 25.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) False (b) True
  26. 26.⚖️ 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
  27. 27.⚖️ Which class of lever is a fishing rod? (a) class 2 (b) class 1 (c) class 3
  28. 28.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 60 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  29. 29.⚖️ Which class of lever is a broom when sweeping? (a) class 3 (b) class 1 (c) class 2
  30. 30.⚖️ Which class of lever is a pair of scissors? (a) class 2 (b) class 1 (c) class 3
  31. 31.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 20 cm and the load at 90 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  32. 32.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 20 cm and the load at 70 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  33. 33.⚖️ Which class of lever is a pair of pliers? (a) class 3 (b) class 2 (c) class 1
  34. 34.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 20 cm and the load at 0 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  35. 35.True or false: your forearm is a class 1 lever (fulcrum in the middle). (a) True (b) False
  36. 36.⚖️ Which class of lever is a bottle opener? (a) class 1 (b) class 3 (c) class 2
  37. 37.True or false: a pair of kitchen tongs is a class 3 lever (effort in the middle). (a) True (b) False
  38. 38.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 20 cm and the load at 70 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  39. 39.⚖️ 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 2 (b) class 3 (c) class 1
  40. 40.True or false: a pair of kitchen tongs is a class 2 lever (load in the middle). (a) False (b) True

Answer key

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

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