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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 323 · 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.⚖️ In a class 1 lever, what is in the middle? (a) the load (b) nothing (c) the fulcrum (d) the effort
  2. 2.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 90 cm and the load at 10 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  3. 3.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 3 (b) class 2 (c) class 1
  4. 4.⚖️ Which class of lever is a lemon squeezer? (a) class 1 (b) class 2 (c) class 3
  5. 5.True or false: a crowbar is a class 1 lever (fulcrum in the middle). (a) False (b) True
  6. 6.⚖️ Which class of lever is a bottle opener? (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, fulcrum, load. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  8. 8.True or false: a pair of scissors is a class 3 lever (effort in the middle). (a) True (b) False
  9. 9.⚖️ Which class of lever is a broom when sweeping? (a) class 2 (b) class 1 (c) class 3
  10. 10.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 100 cm and the load at 70 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  11. 11.True or false: a nutcracker is a class 2 lever (load in the middle). (a) False (b) True
  12. 12.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the fulcrum (b) far from the fulcrum (c) on the rock (d) near the fulcrum
  13. 13.⚖️ Which class of lever is a crowbar? (a) class 3 (b) class 1 (c) class 2
  14. 14.⚖️ Which class of lever is a pair of pliers? (a) class 3 (b) class 1 (c) class 2
  15. 15.⚖️ 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 3 (b) class 2 (c) class 1
  16. 16.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 0 cm and the load at 20 cm. Which class of lever is it? (a) class 3 (b) class 1 (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 50 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  18. 18.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 20 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  19. 19.⚖️ 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
  20. 20.True or false: a wheelbarrow is a class 3 lever (effort in the middle). (a) False (b) True
  21. 21.⚖️ Which class of lever is a nutcracker? (a) class 3 (b) class 2 (c) class 1
  22. 22.⚖️ Which class of lever is a pair of tweezers? (a) class 2 (b) class 3 (c) class 1
  23. 23.True or false: a pair of tweezers is a class 3 lever (effort in the middle). (a) False (b) True
  24. 24.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 60 cm and the load at 50 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  25. 25.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 20 cm and the load at 40 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 10 cm, the fulcrum at 30 cm and the load at 20 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  27. 27.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 20 cm and the load at 10 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  28. 28.True or false: a crowbar is a class 2 lever (load in the middle). (a) False (b) True
  29. 29.⚖️ Which class of lever is a fishing rod? (a) class 1 (b) class 3 (c) class 2
  30. 30.⚖️ 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
  31. 31.True or false: a lemon squeezer is a class 1 lever (fulcrum in the middle). (a) True (b) False
  32. 32.True or false: a bottle opener is a class 2 lever (load in the middle). (a) False (b) True
  33. 33.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 70 cm and the load at 0 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  34. 34.⚖️ Which class of lever is a wheelbarrow? (a) class 2 (b) class 3 (c) class 1
  35. 35.True or false: a pair of pliers is a class 2 lever (load in the middle). (a) False (b) True
  36. 36.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 60 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  37. 37.⚖️ In a class 2 lever, what is in the middle? (a) the fulcrum (b) the effort (c) the load (d) the axle
  38. 38.⚖️ What is the pivot point of a lever called? (a) the axle (b) the effort (c) the load (d) the fulcrum
  39. 39.True or false: a wheelbarrow is a class 2 lever (load in the middle). (a) False (b) True
  40. 40.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 40 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3

Answer key

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

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