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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 169 · 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 1 lever (fulcrum in the middle). (a) False (b) True
  2. 2.⚖️ Which class of lever is a fishing rod? (a) class 2 (b) class 1 (c) class 3
  3. 3.⚖️ Which class of lever is a nutcracker? (a) class 2 (b) class 3 (c) class 1
  4. 4.⚖️ What is the pivot point of a lever called? (a) the effort (b) the fulcrum (c) the axle (d) the load
  5. 5.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 40 cm and the load at 10 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  6. 6.⚖️ 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 2 (c) class 3
  7. 7.⚖️ 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
  8. 8.True or false: a lemon squeezer is a class 2 lever (load in the middle). (a) True (b) False
  9. 9.⚖️ Which class of lever is a wheelbarrow? (a) class 3 (b) class 2 (c) class 1
  10. 10.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) True (b) False
  11. 11.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 10 cm and the load at 0 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  12. 12.⚖️ 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 1 (b) class 3 (c) class 2
  13. 13.True or false: a beam balance is a class 1 lever (fulcrum in the middle). (a) True (b) False
  14. 14.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the rock (b) near the fulcrum (c) far from the fulcrum (d) on the fulcrum
  15. 15.⚖️ Going along a lever from one end to the other, the order is: effort, fulcrum, load. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  16. 16.True or false: a pair of pliers is a class 2 lever (load in the middle). (a) True (b) False
  17. 17.⚖️ In a class 2 lever, what is in the middle? (a) the axle (b) the effort (c) the load (d) the fulcrum
  18. 18.⚖️ 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
  19. 19.⚖️ Which class of lever is a crowbar? (a) class 2 (b) class 3 (c) class 1
  20. 20.⚖️ In a class 1 lever, what is in the middle? (a) the effort (b) nothing (c) the load (d) the fulcrum
  21. 21.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 60 cm and the load at 80 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  22. 22.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 40 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  23. 23.True or false: a pair of kitchen tongs 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 70 cm, the fulcrum at 30 cm and the load at 90 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  25. 25.⚖️ Which class of lever is a bottle opener? (a) class 2 (b) class 3 (c) class 1
  26. 26.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 70 cm and the load at 60 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  27. 27.⚖️ Which class of lever is a lemon squeezer? (a) class 2 (b) class 3 (c) class 1
  28. 28.True or false: a crowbar is a class 2 lever (load in the middle). (a) True (b) False
  29. 29.True or false: a pair of tweezers is a class 3 lever (effort in the middle). (a) False (b) True
  30. 30.⚖️ In a class 3 lever, what is in the middle? (a) the fulcrum (b) the load (c) the pulley (d) the effort
  31. 31.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 2 (b) class 1 (c) class 3
  32. 32.True or false: your forearm is a class 2 lever (load in the middle). (a) True (b) False
  33. 33.⚖️ Which class of lever is a pair of scissors? (a) class 3 (b) class 1 (c) class 2
  34. 34.True or false: a crowbar is a class 3 lever (effort in the middle). (a) False (b) True
  35. 35.⚖️ Which class of lever is a seesaw? (a) class 3 (b) class 1 (c) class 2
  36. 36.⚖️ Going along a lever from one end to the other, the order is: load, fulcrum, effort. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  37. 37.⚖️ Along a straight bar, measured from the left end, the effort is at 70 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
  38. 38.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 0 cm and the load at 40 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  39. 39.⚖️ 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 3 (b) class 2 (c) class 1
  40. 40.True or false: a fishing rod is a class 1 lever (fulcrum in the middle). (a) True (b) False

Answer key

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

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