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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 733 · 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.⚖️ Along a straight bar, measured from the left end, the effort is at 10 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
  2. 2.True or false: a lemon squeezer is a class 1 lever (fulcrum in the middle). (a) True (b) False
  3. 3.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the fulcrum (b) on the rock (c) near the fulcrum (d) far from the fulcrum
  4. 4.⚖️ In a class 1 lever, what is in the middle? (a) nothing (b) the load (c) the fulcrum (d) the effort
  5. 5.True or false: a pair of kitchen tongs is a class 3 lever (effort in the middle). (a) False (b) True
  6. 6.⚖️ Which class of lever is your forearm? (a) class 3 (b) class 2 (c) class 1
  7. 7.True or false: a fishing rod is a class 3 lever (effort in the middle). (a) False (b) True
  8. 8.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 40 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  9. 9.⚖️ What is the pivot point of a lever called? (a) the axle (b) the effort (c) the load (d) the fulcrum
  10. 10.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 20 cm and the load at 0 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  11. 11.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 100 cm and the load at 60 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  12. 12.⚖️ Which class of lever is a fishing rod? (a) class 2 (b) class 3 (c) class 1
  13. 13.⚖️ 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 2 (b) class 1 (c) class 3
  14. 14.⚖️ 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
  15. 15.⚖️ In a class 3 lever, what is in the middle? (a) the load (b) the fulcrum (c) the pulley (d) the effort
  16. 16.True or false: a pair of tweezers is a class 3 lever (effort in the middle). (a) True (b) False
  17. 17.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 20 cm and the load at 40 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  18. 18.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 10 cm and the load at 40 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  19. 19.True or false: a wheelbarrow is a class 1 lever (fulcrum in the middle). (a) True (b) False
  20. 20.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 0 cm and the load at 10 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  21. 21.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 20 cm and the load at 80 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  22. 22.True or false: a pair of tweezers is a class 1 lever (fulcrum in the middle). (a) True (b) False
  23. 23.⚖️ 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 3 (b) class 1 (c) class 2
  24. 24.True or false: a beam balance is a class 1 lever (fulcrum in the middle). (a) True (b) False
  25. 25.True or false: a pair of scissors is a class 1 lever (fulcrum in the middle). (a) True (b) False
  26. 26.True or false: a broom when sweeping is a class 2 lever (load in the middle). (a) False (b) True
  27. 27.⚖️ Which class of lever is a seesaw? (a) class 2 (b) class 3 (c) class 1
  28. 28.⚖️ Which class of lever is a lemon squeezer? (a) class 2 (b) class 3 (c) class 1
  29. 29.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 60 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  30. 30.⚖️ Which class of lever is a nutcracker? (a) class 2 (b) class 3 (c) class 1
  31. 31.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 20 cm and the load at 50 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  32. 32.True or false: a pair of pliers is a class 3 lever (effort in the middle). (a) False (b) True
  33. 33.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 40 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  34. 34.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 70 cm and the load at 20 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  35. 35.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 30 cm and the load at 0 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  36. 36.True or false: a pair of tweezers is a class 2 lever (load in the middle). (a) False (b) True
  37. 37.True or false: a wheelbarrow is a class 2 lever (load in the middle). (a) False (b) True
  38. 38.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) False (b) True
  39. 39.True or false: a pair of scissors is a class 3 lever (effort in the middle). (a) True (b) False
  40. 40.⚖️ In a class 2 lever, what is in the middle? (a) the load (b) the fulcrum (c) the axle (d) the effort

Answer key

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

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