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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 79 · 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 30 cm, the fulcrum at 70 cm and the load at 90 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  2. 2.⚖️ Which class of lever is a bottle opener? (a) class 1 (b) class 3 (c) class 2
  3. 3.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 70 cm and the load at 60 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  4. 4.⚖️ 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
  5. 5.⚖️ Which class of lever is a pair of scissors? (a) class 1 (b) class 3 (c) class 2
  6. 6.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 50 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  7. 7.⚖️ In a class 1 lever, what is in the middle? (a) nothing (b) the load (c) the fulcrum (d) the effort
  8. 8.⚖️ 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 2 (b) class 1 (c) class 3
  9. 9.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 20 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  10. 10.⚖️ 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 2 (c) class 1
  11. 11.⚖️ Which class of lever is a pair of pliers? (a) class 1 (b) class 2 (c) class 3
  12. 12.True or false: a lemon squeezer is a class 2 lever (load in the middle). (a) False (b) True
  13. 13.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) near the fulcrum (b) on the rock (c) far from the fulcrum (d) on the fulcrum
  14. 14.True or false: a pair of pliers is a class 3 lever (effort in the middle). (a) False (b) True
  15. 15.⚖️ Which class of lever is a nutcracker? (a) class 3 (b) class 1 (c) class 2
  16. 16.True or false: a pair of tweezers is a class 3 lever (effort in the middle). (a) False (b) True
  17. 17.⚖️ 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 2 (b) class 3 (c) class 1
  18. 18.⚖️ Which class of lever is a broom when sweeping? (a) class 3 (b) class 1 (c) class 2
  19. 19.⚖️ Along a straight bar, measured from the left end, the effort is at 20 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
  20. 20.⚖️ Which class of lever is a pair of tweezers? (a) class 2 (b) class 3 (c) class 1
  21. 21.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 0 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  22. 22.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 30 cm and the load at 50 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  23. 23.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 0 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  24. 24.True or false: a nutcracker is a class 3 lever (effort in the middle). (a) False (b) True
  25. 25.⚖️ Which class of lever is a crowbar? (a) class 3 (b) class 2 (c) class 1
  26. 26.⚖️ 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 1 (c) class 2
  27. 27.⚖️ What is the pivot point of a lever called? (a) the axle (b) the load (c) the fulcrum (d) the effort
  28. 28.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 20 cm and the load at 50 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  29. 29.True or false: a wheelbarrow is a class 1 lever (fulcrum in the middle). (a) False (b) True
  30. 30.True or false: a crowbar is a class 1 lever (fulcrum in the middle). (a) True (b) False
  31. 31.True or false: a seesaw is a class 2 lever (load in the middle). (a) True (b) False
  32. 32.⚖️ Which class of lever is a fishing rod? (a) class 3 (b) class 1 (c) class 2
  33. 33.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 50 cm and the load at 0 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  34. 34.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) False (b) True
  35. 35.⚖️ 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 1 (c) class 3
  36. 36.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 60 cm and the load at 20 cm. 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 40 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  38. 38.True or false: a pair of tweezers is a class 1 lever (fulcrum in the middle). (a) True (b) False
  39. 39.True or false: a pair of scissors is a class 2 lever (load in the middle). (a) False (b) True
  40. 40.True or false: a seesaw is a class 1 lever (fulcrum in the middle). (a) True (b) False

Answer key

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

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