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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 421 · 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 seesaw? (a) class 2 (b) class 3 (c) class 1
  2. 2.⚖️ Which class of lever is a wheelbarrow? (a) class 1 (b) class 3 (c) class 2
  3. 3.True or false: a pair of scissors is a class 2 lever (load in the middle). (a) False (b) True
  4. 4.⚖️ Which class of lever is a pair of scissors? (a) class 1 (b) class 3 (c) class 2
  5. 5.⚖️ Which class of lever is a pair of tweezers? (a) class 3 (b) class 2 (c) class 1
  6. 6.True or false: a pair of pliers is a class 2 lever (load in the middle). (a) True (b) False
  7. 7.⚖️ 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
  8. 8.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 70 cm and the load at 40 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  9. 9.True or false: a pair of scissors is a class 1 lever (fulcrum in the middle). (a) False (b) True
  10. 10.True or false: a nutcracker is a class 3 lever (effort in the middle). (a) True (b) False
  11. 11.⚖️ Along a straight bar, measured from the left end, the effort is at 90 cm, the fulcrum at 30 cm and the load at 70 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  12. 12.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 0 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  13. 13.True or false: a broom when sweeping is a class 3 lever (effort in the middle). (a) False (b) True
  14. 14.⚖️ In a class 2 lever, what is in the middle? (a) the axle (b) the effort (c) the fulcrum (d) the load
  15. 15.⚖️ Which class of lever is your forearm? (a) class 1 (b) class 2 (c) class 3
  16. 16.True or false: a crowbar is a class 1 lever (fulcrum in the middle). (a) False (b) True
  17. 17.⚖️ Which class of lever is a lemon squeezer? (a) class 2 (b) class 3 (c) class 1
  18. 18.⚖️ 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
  19. 19.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 30 cm and the load at 40 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  20. 20.True or false: a bottle opener is a class 2 lever (load in the middle). (a) False (b) True
  21. 21.⚖️ 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 2 (b) class 1 (c) class 3
  22. 22.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 30 cm and the load at 40 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  23. 23.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 10 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  24. 24.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 0 cm and the load at 10 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  25. 25.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 40 cm and the load at 20 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  26. 26.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 30 cm and the load at 0 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  27. 27.⚖️ What is the pivot point of a lever called? (a) the effort (b) the fulcrum (c) the axle (d) the load
  28. 28.True or false: a lemon squeezer is a class 1 lever (fulcrum in the middle). (a) True (b) False
  29. 29.⚖️ Which class of lever is a pair of pliers? (a) class 2 (b) class 1 (c) class 3
  30. 30.⚖️ Along a straight bar, measured from the left end, the effort is at 100 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
  31. 31.⚖️ Which class of lever is a nutcracker? (a) class 1 (b) class 2 (c) class 3
  32. 32.⚖️ 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 3 (c) class 2
  33. 33.⚖️ 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 1 (b) class 3 (c) class 2
  34. 34.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 30 cm and the load at 40 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  35. 35.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 50 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  36. 36.True or false: a pair of tweezers is a class 1 lever (fulcrum in the middle). (a) True (b) False
  37. 37.⚖️ In a class 3 lever, what is in the middle? (a) the effort (b) the fulcrum (c) the pulley (d) the load
  38. 38.⚖️ 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 2 (b) class 3 (c) class 1
  39. 39.⚖️ Which class of lever is a crowbar? (a) class 2 (b) class 1 (c) class 3
  40. 40.⚖️ 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

Answer key

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

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