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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 29 · 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 bottle opener? (a) class 2 (b) class 1 (c) class 3
  2. 2.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 30 cm and the load at 90 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  3. 3.⚖️ 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
  4. 4.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 80 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  5. 5.True or false: a pair of scissors is a class 3 lever (effort in the middle). (a) False (b) True
  6. 6.True or false: a pair of tweezers is a class 3 lever (effort in the middle). (a) True (b) False
  7. 7.⚖️ In a class 1 lever, what is in the middle? (a) nothing (b) the effort (c) the load (d) the fulcrum
  8. 8.⚖️ In a class 2 lever, what is in the middle? (a) the fulcrum (b) the effort (c) the axle (d) the load
  9. 9.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 80 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  10. 10.True or false: a lemon squeezer is a class 2 lever (load in the middle). (a) True (b) False
  11. 11.⚖️ What is the pivot point of a lever called? (a) the fulcrum (b) the axle (c) the load (d) the effort
  12. 12.⚖️ 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 3 (b) class 1 (c) class 2
  13. 13.⚖️ Which class of lever is a seesaw? (a) class 2 (b) class 1 (c) class 3
  14. 14.⚖️ Which class of lever is a pair of scissors? (a) class 2 (b) class 1 (c) class 3
  15. 15.True or false: a crowbar is a class 1 lever (fulcrum in the middle). (a) False (b) True
  16. 16.⚖️ 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 2 (c) class 1
  17. 17.⚖️ Which class of lever is a pair of pliers? (a) class 1 (b) class 3 (c) class 2
  18. 18.⚖️ Along a straight bar, measured from the left end, the effort is at 50 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
  19. 19.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 40 cm and the load at 60 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  20. 20.⚖️ Which class of lever is a nutcracker? (a) class 3 (b) class 2 (c) class 1
  21. 21.⚖️ Which class of lever is a broom when sweeping? (a) class 1 (b) class 2 (c) class 3
  22. 22.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 60 cm and the load at 90 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  23. 23.True or false: a pair of scissors is a class 1 lever (fulcrum in the middle). (a) True (b) False
  24. 24.⚖️ Which class of lever is a lemon squeezer? (a) class 2 (b) class 1 (c) class 3
  25. 25.⚖️ 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
  26. 26.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 70 cm and the load at 50 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  27. 27.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 1 (b) class 3 (c) class 2
  28. 28.True or false: a bottle opener is a class 2 lever (load in the middle). (a) False (b) True
  29. 29.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 40 cm and the load at 0 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  30. 30.True or false: a seesaw is a class 1 lever (fulcrum in the middle). (a) False (b) True
  31. 31.⚖️ Going along a lever from one end to the other, the order is: fulcrum, load, effort. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  32. 32.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 30 cm and the load at 50 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  33. 33.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 30 cm and the load at 70 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  34. 34.True or false: a wheelbarrow is a class 3 lever (effort in the middle). (a) True (b) False
  35. 35.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 70 cm and the load at 40 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  36. 36.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) near the fulcrum (b) far from the fulcrum (c) on the rock (d) on the fulcrum
  37. 37.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 110 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  38. 38.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 10 cm and the load at 60 cm. Which class of lever is it? (a) class 3 (b) class 1 (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 60 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  40. 40.True or false: a broom when sweeping is a class 3 lever (effort in the middle). (a) True (b) False

Answer key

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

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