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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 336 · 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.True or false: a bottle opener is a class 3 lever (effort in the middle). (a) True (b) False
  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.⚖️ Which class of lever is a crowbar? (a) class 3 (b) class 1 (c) class 2
  4. 4.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 30 cm and the load at 90 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  5. 5.True or false: a beam balance is a class 3 lever (effort in the middle). (a) True (b) False
  6. 6.⚖️ Which class of lever is a pair of scissors? (a) class 2 (b) class 1 (c) class 3
  7. 7.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 0 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  8. 8.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 70 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  9. 9.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 40 cm and the load at 80 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  10. 10.⚖️ Which class of lever is a nutcracker? (a) class 3 (b) class 2 (c) class 1
  11. 11.True or false: your forearm is a class 3 lever (effort in the middle). (a) False (b) True
  12. 12.⚖️ In a class 2 lever, what is in the middle? (a) the fulcrum (b) the axle (c) the effort (d) the load
  13. 13.⚖️ 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 1 (b) class 3 (c) class 2
  14. 14.⚖️ 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
  15. 15.⚖️ Going along a lever from one end to the other, the order is: fulcrum, effort, load. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  16. 16.⚖️ Which class of lever is a pair of pliers? (a) class 2 (b) class 3 (c) class 1
  17. 17.⚖️ 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 1 (b) class 3 (c) class 2
  18. 18.True or false: a pair of kitchen tongs is a class 1 lever (fulcrum in the middle). (a) True (b) False
  19. 19.⚖️ Which class of lever is a wheelbarrow? (a) class 3 (b) class 2 (c) class 1
  20. 20.True or false: a pair of tweezers is a class 3 lever (effort in the middle). (a) False (b) True
  21. 21.⚖️ Going along a lever from one end to the other, the order is: effort, load, fulcrum. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  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 60 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  23. 23.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) True (b) False
  24. 24.⚖️ Which class of lever is a broom when sweeping? (a) class 2 (b) class 3 (c) class 1
  25. 25.True or false: a crowbar is a class 1 lever (fulcrum in the middle). (a) True (b) False
  26. 26.⚖️ 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 2 (b) class 3 (c) class 1
  27. 27.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 50 cm and the load at 90 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  28. 28.⚖️ Which class of lever is a fishing rod? (a) class 3 (b) class 1 (c) class 2
  29. 29.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 2 (b) class 1 (c) class 3
  30. 30.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 20 cm and the load at 60 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  31. 31.⚖️ Which class of lever is a beam balance? (a) class 2 (b) class 3 (c) class 1
  32. 32.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the rock (b) far from the fulcrum (c) near the fulcrum (d) on the fulcrum
  33. 33.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 60 cm and the load at 30 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 60 cm, the fulcrum at 30 cm and the load at 90 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 2 (b) class 3 (c) class 1
  36. 36.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 50 cm and the load at 40 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  37. 37.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 20 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  38. 38.⚖️ Which class of lever is a lemon squeezer? (a) class 3 (b) class 2 (c) class 1
  39. 39.⚖️ Which class of lever is a pair of tweezers? (a) class 2 (b) class 1 (c) class 3
  40. 40.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 10 cm and the load at 20 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2

Answer key

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

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