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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 94 · 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 load (b) the axle (c) the fulcrum (d) the effort
  2. 2.⚖️ Along a straight bar, measured from the left end, the effort is at 40 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
  3. 3.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 90 cm and the load at 30 cm. 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 10 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  5. 5.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 40 cm and the load at 20 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  6. 6.True or false: a seesaw is a class 2 lever (load in the middle). (a) True (b) False
  7. 7.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 30 cm and the load at 60 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  8. 8.True or false: a crowbar is a class 1 lever (fulcrum in the middle). (a) False (b) True
  9. 9.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 50 cm and the load at 10 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  10. 10.⚖️ In a class 1 lever, what is in the middle? (a) the load (b) the effort (c) the fulcrum (d) nothing
  11. 11.⚖️ Which class of lever is a broom when sweeping? (a) class 3 (b) class 1 (c) class 2
  12. 12.True or false: a pair of kitchen tongs is a class 1 lever (fulcrum in the middle). (a) True (b) False
  13. 13.⚖️ What is the pivot point of a lever called? (a) the axle (b) the load (c) the effort (d) the fulcrum
  14. 14.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 50 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  15. 15.True or false: a pair of scissors 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 30 cm, the fulcrum at 80 cm and the load at 50 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  17. 17.⚖️ Going along a lever from one end to the other, the order is: effort, fulcrum, load. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  18. 18.⚖️ Which class of lever is a lemon squeezer? (a) class 3 (b) class 1 (c) class 2
  19. 19.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 70 cm and the load at 10 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  20. 20.⚖️ 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
  21. 21.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 90 cm and the load at 20 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  22. 22.⚖️ Going along a lever from one end to the other, the order is: fulcrum, effort, load. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  23. 23.⚖️ Going along a lever from one end to the other, the order is: fulcrum, load, effort. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  24. 24.⚖️ 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 2 (b) class 3 (c) class 1
  25. 25.True or false: a crowbar is a class 3 lever (effort in the middle). (a) False (b) True
  26. 26.⚖️ Which class of lever is a pair of scissors? (a) class 3 (b) class 2 (c) class 1
  27. 27.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) True (b) False
  28. 28.True or false: a pair of kitchen tongs 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 50 cm, the fulcrum at 30 cm and the load at 20 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  30. 30.⚖️ In a class 3 lever, what is in the middle? (a) the load (b) the fulcrum (c) the pulley (d) the effort
  31. 31.⚖️ Which class of lever is a bottle opener? (a) class 3 (b) class 1 (c) class 2
  32. 32.True or false: a fishing rod is a class 2 lever (load in the middle). (a) False (b) True
  33. 33.True or false: a broom when sweeping is a class 3 lever (effort in the middle). (a) True (b) False
  34. 34.True or false: a beam balance is a class 1 lever (fulcrum in the middle). (a) False (b) True
  35. 35.⚖️ Which class of lever is a crowbar? (a) class 2 (b) class 1 (c) class 3
  36. 36.True or false: a fishing rod is a class 3 lever (effort in the middle). (a) True (b) False
  37. 37.True or false: a pair of tweezers is a class 3 lever (effort in the middle). (a) True (b) False
  38. 38.⚖️ Which class of lever is a nutcracker? (a) class 1 (b) class 3 (c) class 2
  39. 39.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the fulcrum (b) on the rock (c) far from the fulcrum (d) near the fulcrum
  40. 40.⚖️ 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 1 (b) class 2 (c) class 3

Answer key

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

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