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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 987 · 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 fishing rod? (a) class 2 (b) class 3 (c) class 1
  2. 2.True or false: a broom when sweeping is a class 3 lever (effort in the middle). (a) False (b) True
  3. 3.⚖️ Which class of lever is a lemon squeezer? (a) class 1 (b) class 3 (c) class 2
  4. 4.⚖️ In a class 3 lever, what is in the middle? (a) the pulley (b) the load (c) the fulcrum (d) the effort
  5. 5.⚖️ 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 2 (b) class 3 (c) class 1
  6. 6.⚖️ Which class of lever is a wheelbarrow? (a) class 1 (b) class 2 (c) class 3
  7. 7.⚖️ Which class of lever is a beam balance? (a) class 3 (b) class 1 (c) class 2
  8. 8.True or false: a nutcracker is a class 3 lever (effort in the middle). (a) True (b) False
  9. 9.⚖️ In a class 2 lever, what is in the middle? (a) the fulcrum (b) the effort (c) the load (d) the axle
  10. 10.True or false: a fishing rod is a class 3 lever (effort in the middle). (a) False (b) True
  11. 11.⚖️ Which class of lever is a pair of pliers? (a) class 2 (b) class 1 (c) class 3
  12. 12.⚖️ Along a straight bar, measured from the left end, the effort is at 80 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
  13. 13.True or false: a pair of tweezers is a class 1 lever (fulcrum in the middle). (a) False (b) True
  14. 14.⚖️ Going along a lever from one end to the other, the order is: load, effort, fulcrum. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  15. 15.True or false: a pair of kitchen tongs is a class 2 lever (load in the middle). (a) False (b) True
  16. 16.True or false: a lemon squeezer is a class 2 lever (load in the middle). (a) False (b) True
  17. 17.⚖️ 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
  18. 18.⚖️ Which class of lever is a broom when sweeping? (a) class 3 (b) class 1 (c) class 2
  19. 19.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 50 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  20. 20.⚖️ Which class of lever is a pair of tweezers? (a) class 3 (b) class 1 (c) class 2
  21. 21.⚖️ Which class of lever is your forearm? (a) class 1 (b) class 3 (c) class 2
  22. 22.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 2 (b) class 1 (c) class 3
  23. 23.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 50 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  24. 24.True or false: a pair of kitchen tongs is a class 1 lever (fulcrum in the middle). (a) False (b) True
  25. 25.⚖️ In a class 1 lever, what is in the middle? (a) the effort (b) the fulcrum (c) nothing (d) the load
  26. 26.⚖️ 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
  27. 27.True or false: a pair of scissors is a class 1 lever (fulcrum in the middle). (a) False (b) True
  28. 28.True or false: a pair of tweezers is a class 2 lever (load in the middle). (a) False (b) True
  29. 29.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the fulcrum (b) near the fulcrum (c) far from the fulcrum (d) on the rock
  30. 30.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 40 cm and the load at 10 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  31. 31.True or false: a pair of scissors is a class 2 lever (load in the middle). (a) True (b) False
  32. 32.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 0 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  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 3 (b) class 2 (c) class 1
  34. 34.⚖️ 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
  35. 35.True or false: a beam balance is a class 1 lever (fulcrum in the middle). (a) False (b) True
  36. 36.True or false: a bottle opener is a class 2 lever (load in the middle). (a) True (b) False
  37. 37.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) False (b) True
  38. 38.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 80 cm and the load at 40 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 0 cm, the fulcrum at 20 cm and the load at 10 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  40. 40.⚖️ 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 1 (c) class 2

Answer key

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

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