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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 78 · 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 2 lever, what is in the middle? (a) the effort (b) the load (c) the axle (d) the fulcrum
  2. 2.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) far from the fulcrum (b) near the fulcrum (c) on the rock (d) on the fulcrum
  3. 3.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 100 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  4. 4.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 70 cm and the load at 40 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  5. 5.True or false: a nutcracker is a class 1 lever (fulcrum in the middle). (a) False (b) True
  6. 6.⚖️ Going along a lever from one end to the other, the order is: load, effort, fulcrum. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  7. 7.⚖️ What is the pivot point of a lever called? (a) the effort (b) the load (c) the axle (d) the fulcrum
  8. 8.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 50 cm and the load at 90 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  9. 9.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) True (b) False
  10. 10.⚖️ 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 2 (c) class 1
  11. 11.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 40 cm and the load at 50 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  12. 12.⚖️ Which class of lever is a lemon squeezer? (a) class 2 (b) class 1 (c) class 3
  13. 13.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 30 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  14. 14.True or false: a bottle opener is a class 3 lever (effort in the middle). (a) False (b) True
  15. 15.True or false: a crowbar is a class 1 lever (fulcrum in the middle). (a) False (b) True
  16. 16.⚖️ 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 2 (b) class 1 (c) class 3
  17. 17.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 10 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: effort, fulcrum, load. 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 50 cm, the fulcrum at 30 cm and the load at 10 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  20. 20.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 40 cm and the load at 60 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  21. 21.True or false: a pair of tweezers is a class 3 lever (effort in the middle). (a) False (b) True
  22. 22.⚖️ In a class 3 lever, what is in the middle? (a) the effort (b) the fulcrum (c) the load (d) the pulley
  23. 23.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 3 (b) class 1 (c) class 2
  24. 24.⚖️ Which class of lever is a beam balance? (a) class 3 (b) class 2 (c) class 1
  25. 25.True or false: a broom when sweeping is a class 2 lever (load in the middle). (a) False (b) True
  26. 26.True or false: a beam balance is a class 2 lever (load in the middle). (a) False (b) True
  27. 27.⚖️ Which class of lever is a nutcracker? (a) class 2 (b) class 1 (c) class 3
  28. 28.⚖️ Which class of lever is a seesaw? (a) class 3 (b) class 1 (c) class 2
  29. 29.⚖️ In a class 1 lever, what is in the middle? (a) the load (b) the fulcrum (c) the effort (d) nothing
  30. 30.True or false: a crowbar is a class 3 lever (effort in the middle). (a) True (b) False
  31. 31.True or false: a lemon squeezer is a class 3 lever (effort in the middle). (a) True (b) False
  32. 32.True or false: a beam balance is a class 1 lever (fulcrum in the middle). (a) True (b) False
  33. 33.True or false: a seesaw is a class 3 lever (effort in the middle). (a) False (b) True
  34. 34.True or false: a pair of kitchen tongs is a class 3 lever (effort in the middle). (a) False (b) True
  35. 35.⚖️ 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 1 (b) class 3 (c) class 2
  36. 36.⚖️ 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
  37. 37.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 10 cm and the load at 20 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 50 cm, the fulcrum at 10 cm and the load at 90 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 40 cm, the fulcrum at 70 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  40. 40.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 10 cm and the load at 50 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3

Answer key

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

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