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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 886 · 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 tweezers is a class 1 lever (fulcrum in the middle). (a) True (b) False
  2. 2.True or false: a seesaw is a class 1 lever (fulcrum in the middle). (a) False (b) True
  3. 3.⚖️ Which class of lever is a crowbar? (a) class 3 (b) class 1 (c) class 2
  4. 4.True or false: a broom when sweeping is a class 3 lever (effort in the middle). (a) True (b) False
  5. 5.⚖️ Which class of lever is a lemon squeezer? (a) class 2 (b) class 3 (c) class 1
  6. 6.⚖️ Which class of lever is a pair of pliers? (a) class 3 (b) class 1 (c) class 2
  7. 7.True or false: a pair of scissors is a class 1 lever (fulcrum in the middle). (a) False (b) True
  8. 8.⚖️ 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 3 (b) class 2 (c) class 1
  9. 9.⚖️ What is the pivot point of a lever called? (a) the effort (b) the load (c) the axle (d) the fulcrum
  10. 10.⚖️ Along a straight bar, measured from the left end, the effort is at 10 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
  11. 11.⚖️ In a class 1 lever, what is in the middle? (a) the effort (b) the fulcrum (c) the load (d) nothing
  12. 12.⚖️ In a class 2 lever, what is in the middle? (a) the fulcrum (b) the load (c) the axle (d) the effort
  13. 13.⚖️ Going along a lever from one end to the other, the order is: fulcrum, effort, load. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  14. 14.True or false: a crowbar is a class 2 lever (load in the middle). (a) False (b) True
  15. 15.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 30 cm and the load at 60 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  16. 16.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 30 cm and the load at 70 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  17. 17.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 40 cm and the load at 20 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  18. 18.⚖️ 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
  19. 19.⚖️ Going along a lever from one end to the other, the order is: effort, fulcrum, load. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  20. 20.⚖️ 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 3 (c) class 2
  21. 21.⚖️ Which class of lever is a pair of tweezers? (a) class 1 (b) class 3 (c) class 2
  22. 22.⚖️ Which class of lever is a pair of scissors? (a) class 1 (b) class 2 (c) class 3
  23. 23.⚖️ 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 1 (b) class 3 (c) class 2
  24. 24.True or false: a pair of scissors is a class 3 lever (effort in the middle). (a) True (b) False
  25. 25.True or false: a bottle opener is a class 2 lever (load in the middle). (a) True (b) False
  26. 26.⚖️ In a class 3 lever, what is in the middle? (a) the load (b) the pulley (c) the fulcrum (d) the effort
  27. 27.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 30 cm and the load at 10 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  28. 28.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 80 cm and the load at 60 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  29. 29.True or false: a wheelbarrow is a class 2 lever (load in the middle). (a) False (b) True
  30. 30.⚖️ Which class of lever is a broom when sweeping? (a) class 2 (b) class 1 (c) class 3
  31. 31.True or false: a pair of pliers is a class 2 lever (load in the middle). (a) False (b) True
  32. 32.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 20 cm and the load at 60 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  33. 33.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 30 cm and the load at 40 cm. 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 80 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
  35. 35.True or false: a pair of tweezers is a class 3 lever (effort in the middle). (a) True (b) False
  36. 36.True or false: a broom when sweeping is a class 2 lever (load in the middle). (a) False (b) True
  37. 37.⚖️ Which class of lever is a bottle opener? (a) class 3 (b) class 1 (c) class 2
  38. 38.True or false: a fishing rod is a class 3 lever (effort in the middle). (a) False (b) True
  39. 39.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 60 cm and the load at 40 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  40. 40.⚖️ 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 2 (c) class 3

Answer key

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

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