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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 182 · 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.⚖️ Going along a lever from one end to the other, the order is: load, fulcrum, effort. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  2. 2.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 50 cm and the load at 80 cm. Which class of lever is it? (a) class 2 (b) class 1 (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 3 (b) class 1 (c) class 2
  4. 4.True or false: a nutcracker is a class 1 lever (fulcrum in the middle). (a) True (b) False
  5. 5.True or false: a pair of kitchen tongs is a class 2 lever (load in the middle). (a) True (b) False
  6. 6.True or false: a lemon squeezer is a class 2 lever (load in the middle). (a) False (b) True
  7. 7.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 30 cm and the load at 90 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  8. 8.⚖️ In a class 2 lever, what is in the middle? (a) the load (b) the axle (c) the fulcrum (d) the effort
  9. 9.⚖️ 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
  10. 10.⚖️ Which class of lever is a nutcracker? (a) class 1 (b) class 3 (c) class 2
  11. 11.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 60 cm and the load at 90 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  12. 12.⚖️ Which class of lever is a broom when sweeping? (a) class 2 (b) class 3 (c) class 1
  13. 13.True or false: a bottle opener is a class 1 lever (fulcrum in the middle). (a) True (b) False
  14. 14.⚖️ Which class of lever is a pair of pliers? (a) class 3 (b) class 2 (c) class 1
  15. 15.⚖️ 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
  16. 16.True or false: a fishing rod is a class 1 lever (fulcrum in the middle). (a) False (b) True
  17. 17.⚖️ Which class of lever is a crowbar? (a) class 3 (b) class 2 (c) class 1
  18. 18.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 2 (b) class 3 (c) class 1
  19. 19.⚖️ Which class of lever is a seesaw? (a) class 1 (b) class 2 (c) class 3
  20. 20.⚖️ Which class of lever is a bottle opener? (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 40 cm and the load at 20 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  22. 22.True or false: a pair of pliers is a class 3 lever (effort in the middle). (a) False (b) True
  23. 23.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 60 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  24. 24.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 50 cm and the load at 70 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  25. 25.True or false: your forearm is a class 2 lever (load in the middle). (a) False (b) True
  26. 26.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 0 cm and the load at 40 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  27. 27.True or false: a crowbar is a class 3 lever (effort in the middle). (a) True (b) False
  28. 28.⚖️ 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
  29. 29.True or false: a pair of scissors is a class 2 lever (load in the middle). (a) True (b) False
  30. 30.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 70 cm and the load at 100 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  31. 31.⚖️ 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
  32. 32.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 30 cm and the load at 90 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  33. 33.True or false: a lemon squeezer is a class 1 lever (fulcrum in the middle). (a) False (b) True
  34. 34.⚖️ In a class 1 lever, what is in the middle? (a) the load (b) the effort (c) nothing (d) the fulcrum
  35. 35.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 30 cm and the load at 70 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  36. 36.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) False (b) True
  37. 37.True or false: a seesaw is a class 1 lever (fulcrum in the middle). (a) True (b) False
  38. 38.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 70 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  39. 39.⚖️ Going along a lever from one end to the other, the order is: fulcrum, load, effort. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  40. 40.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 60 cm and the load at 20 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1

Answer key

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

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