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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 828 · 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 lemon squeezer? (a) class 1 (b) class 2 (c) class 3
  2. 2.⚖️ What is the pivot point of a lever called? (a) the effort (b) the load (c) the fulcrum (d) the axle
  3. 3.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the fulcrum (b) on the rock (c) near the fulcrum (d) far from the fulcrum
  4. 4.⚖️ Which class of lever is a pair of tweezers? (a) class 3 (b) class 2 (c) class 1
  5. 5.True or false: your forearm is a class 1 lever (fulcrum in the middle). (a) False (b) True
  6. 6.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 40 cm and the load at 20 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  7. 7.True or false: a pair of kitchen tongs is a class 3 lever (effort in the middle). (a) False (b) True
  8. 8.True or false: a seesaw is a class 1 lever (fulcrum in the middle). (a) False (b) True
  9. 9.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 70 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  10. 10.True or false: a pair of scissors is a class 1 lever (fulcrum in the middle). (a) False (b) True
  11. 11.⚖️ Which class of lever is a crowbar? (a) class 3 (b) class 1 (c) class 2
  12. 12.⚖️ 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
  13. 13.⚖️ Which class of lever is a wheelbarrow? (a) class 2 (b) class 3 (c) class 1
  14. 14.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 60 cm and the load at 10 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  15. 15.⚖️ Which class of lever is a seesaw? (a) class 3 (b) class 2 (c) class 1
  16. 16.True or false: a wheelbarrow is a class 2 lever (load in the middle). (a) True (b) False
  17. 17.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 60 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  18. 18.True or false: a broom when sweeping 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 3 (b) class 2 (c) class 1
  20. 20.True or false: a bottle opener is a class 3 lever (effort in the middle). (a) False (b) True
  21. 21.True or false: your forearm is a class 3 lever (effort in the middle). (a) False (b) True
  22. 22.True or false: a fishing rod is a class 2 lever (load in the middle). (a) True (b) False
  23. 23.⚖️ In a class 1 lever, what is in the middle? (a) nothing (b) the fulcrum (c) the effort (d) the load
  24. 24.⚖️ Which class of lever is a bottle opener? (a) class 3 (b) class 2 (c) class 1
  25. 25.⚖️ Which class of lever is a fishing rod? (a) class 2 (b) class 1 (c) class 3
  26. 26.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 0 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  27. 27.True or false: a pair of tweezers is a class 2 lever (load in the middle). (a) True (b) False
  28. 28.True or false: a pair of pliers is a class 2 lever (load in the middle). (a) False (b) True
  29. 29.⚖️ 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 2 (b) class 3 (c) class 1
  30. 30.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 30 cm and the load at 0 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  31. 31.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 60 cm and the load at 20 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  32. 32.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 50 cm and the load at 40 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  33. 33.⚖️ Going along a lever from one end to the other, the order is: effort, load, fulcrum. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  34. 34.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 60 cm and the load at 20 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  35. 35.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 20 cm and the load at 50 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  36. 36.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 100 cm and the load at 60 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  37. 37.⚖️ Which class of lever is a pair of pliers? (a) class 1 (b) class 2 (c) class 3
  38. 38.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 70 cm and the load at 50 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  39. 39.⚖️ 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 2 (c) class 3
  40. 40.True or false: a nutcracker is a class 1 lever (fulcrum in the middle). (a) False (b) True

Answer key

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

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