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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 116 · 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 0 cm, the fulcrum at 30 cm and the load at 70 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  2. 2.⚖️ Along a straight bar, measured from the left end, the effort is at 0 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
  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 1 (b) class 2 (c) class 3
  4. 4.True or false: your forearm is a class 2 lever (load in the middle). (a) True (b) False
  5. 5.True or false: a crowbar is a class 2 lever (load in the middle). (a) True (b) False
  6. 6.⚖️ Which class of lever is a lemon squeezer? (a) class 3 (b) class 1 (c) class 2
  7. 7.⚖️ Which class of lever is a beam balance? (a) class 1 (b) class 3 (c) class 2
  8. 8.True or false: a crowbar is a class 1 lever (fulcrum in the middle). (a) False (b) True
  9. 9.True or false: a beam balance is a class 3 lever (effort in the middle). (a) True (b) False
  10. 10.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 70 cm and the load at 0 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  11. 11.⚖️ 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 1 (c) class 2
  12. 12.⚖️ Which class of lever is a fishing rod? (a) class 2 (b) class 1 (c) class 3
  13. 13.⚖️ What is the pivot point of a lever called? (a) the fulcrum (b) the load (c) the effort (d) the axle
  14. 14.⚖️ In a class 2 lever, what is in the middle? (a) the load (b) the fulcrum (c) the axle (d) the effort
  15. 15.True or false: a nutcracker 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 0 cm and the load at 50 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  17. 17.True or false: a broom when sweeping is a class 3 lever (effort in the middle). (a) False (b) True
  18. 18.⚖️ Which class of lever is a wheelbarrow? (a) class 1 (b) class 2 (c) class 3
  19. 19.⚖️ Which class of lever is a bottle opener? (a) class 3 (b) class 1 (c) class 2
  20. 20.⚖️ 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
  21. 21.⚖️ Which class of lever is a pair of scissors? (a) class 1 (b) class 3 (c) class 2
  22. 22.⚖️ In a class 3 lever, what is in the middle? (a) the effort (b) the load (c) the fulcrum (d) the pulley
  23. 23.⚖️ In a class 1 lever, what is in the middle? (a) the load (b) nothing (c) the effort (d) the fulcrum
  24. 24.⚖️ Which class of lever is a pair of pliers? (a) class 1 (b) class 3 (c) class 2
  25. 25.⚖️ 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
  26. 26.True or false: a seesaw is a class 1 lever (fulcrum in the middle). (a) True (b) False
  27. 27.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 2 (b) class 1 (c) class 3
  28. 28.⚖️ Which class of lever is a broom when sweeping? (a) class 1 (b) class 2 (c) class 3
  29. 29.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 30 cm and the load at 70 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  30. 30.True or false: a beam balance is a class 1 lever (fulcrum in the middle). (a) False (b) True
  31. 31.⚖️ Which class of lever is a nutcracker? (a) class 2 (b) class 1 (c) class 3
  32. 32.⚖️ 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
  33. 33.True or false: a seesaw is a class 3 lever (effort in the middle). (a) False (b) True
  34. 34.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 80 cm and the load at 20 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  35. 35.True or false: a lemon squeezer is a class 1 lever (fulcrum in the middle). (a) True (b) False
  36. 36.True or false: a lemon squeezer is a class 2 lever (load in the middle). (a) False (b) True
  37. 37.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 0 cm and the load at 50 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  38. 38.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 50 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  39. 39.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 80 cm and the load at 60 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  40. 40.True or false: a pair of scissors is a class 3 lever (effort in the middle). (a) True (b) False

Answer key

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

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