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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 909 · 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 pair of scissors is a class 2 lever (load in the middle). (a) False (b) True
  2. 2.⚖️ In a class 3 lever, what is in the middle? (a) the load (b) the pulley (c) the fulcrum (d) the effort
  3. 3.⚖️ What is the pivot point of a lever called? (a) the effort (b) the axle (c) the load (d) the fulcrum
  4. 4.⚖️ Which class of lever is a crowbar? (a) class 1 (b) class 3 (c) class 2
  5. 5.True or false: a pair of scissors is a class 1 lever (fulcrum in the middle). (a) False (b) True
  6. 6.⚖️ 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 3 (c) class 1
  7. 7.⚖️ 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 3 (b) class 1 (c) class 2
  8. 8.⚖️ Which class of lever is a lemon squeezer? (a) class 1 (b) class 3 (c) class 2
  9. 9.True or false: a pair of pliers is a class 2 lever (load in the middle). (a) True (b) False
  10. 10.True or false: a wheelbarrow is a class 1 lever (fulcrum in the middle). (a) True (b) False
  11. 11.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) far from the fulcrum (b) on the fulcrum (c) on the rock (d) near the fulcrum
  12. 12.⚖️ Which class of lever is your forearm? (a) class 3 (b) class 2 (c) class 1
  13. 13.⚖️ 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
  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 pair of pliers? (a) class 1 (b) class 2 (c) class 3
  16. 16.⚖️ Which class of lever is a bottle opener? (a) class 2 (b) class 1 (c) class 3
  17. 17.⚖️ Along a straight bar, measured from the left end, the effort is at 100 cm, the fulcrum at 60 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  18. 18.⚖️ In a class 1 lever, what is in the middle? (a) the fulcrum (b) the effort (c) nothing (d) the load
  19. 19.⚖️ 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
  20. 20.⚖️ Which class of lever is a beam balance? (a) class 2 (b) class 1 (c) class 3
  21. 21.⚖️ Which class of lever is a wheelbarrow? (a) class 3 (b) class 2 (c) class 1
  22. 22.⚖️ 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 2 (c) class 1
  23. 23.True or false: your forearm is a class 1 lever (fulcrum in the middle). (a) False (b) True
  24. 24.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 20 cm and the load at 40 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  25. 25.⚖️ Which class of lever is a broom when sweeping? (a) class 3 (b) class 2 (c) class 1
  26. 26.True or false: a broom when sweeping is a class 3 lever (effort in the middle). (a) False (b) True
  27. 27.⚖️ Going along a lever from one end to the other, the order is: load, effort, fulcrum. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  28. 28.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 30 cm and the load at 60 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  29. 29.True or false: your forearm is a class 3 lever (effort in the middle). (a) False (b) True
  30. 30.True or false: a broom when sweeping is a class 2 lever (load in the middle). (a) False (b) True
  31. 31.⚖️ 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
  32. 32.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 1 (b) class 2 (c) class 3
  33. 33.True or false: your forearm is a class 2 lever (load in the middle). (a) True (b) False
  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 20 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  35. 35.True or false: a lemon squeezer is a class 3 lever (effort in the middle). (a) False (b) True
  36. 36.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 60 cm and the load at 0 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  37. 37.⚖️ Which class of lever is a fishing rod? (a) class 2 (b) class 1 (c) class 3
  38. 38.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 10 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  39. 39.True or false: a beam balance is a class 1 lever (fulcrum in the middle). (a) False (b) True
  40. 40.True or false: a fishing rod is a class 3 lever (effort in the middle). (a) False (b) True

Answer key

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

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