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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 331 · 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 1 lever, what is in the middle? (a) the load (b) nothing (c) the effort (d) the fulcrum
  2. 2.⚖️ Which class of lever is a bottle opener? (a) class 2 (b) class 1 (c) class 3
  3. 3.⚖️ In a class 3 lever, what is in the middle? (a) the fulcrum (b) the pulley (c) the effort (d) the load
  4. 4.True or false: a seesaw is a class 3 lever (effort in the middle). (a) True (b) False
  5. 5.True or false: a lemon squeezer is a class 1 lever (fulcrum in the middle). (a) True (b) False
  6. 6.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 60 cm and the load at 70 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  7. 7.⚖️ Which class of lever is a pair of pliers? (a) class 3 (b) class 1 (c) class 2
  8. 8.⚖️ What is the pivot point of a lever called? (a) the axle (b) the effort (c) the load (d) the fulcrum
  9. 9.True or false: a fishing rod is a class 3 lever (effort in the middle). (a) True (b) False
  10. 10.⚖️ 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
  11. 11.⚖️ Which class of lever is a pair of scissors? (a) class 3 (b) class 2 (c) class 1
  12. 12.True or false: a crowbar is a class 2 lever (load in the middle). (a) True (b) False
  13. 13.True or false: a bottle opener is a class 3 lever (effort in the middle). (a) True (b) False
  14. 14.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 0 cm and the load at 40 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  15. 15.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 40 cm and the load at 10 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  16. 16.⚖️ Going along a lever from one end to the other, the order is: load, effort, fulcrum. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  17. 17.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 100 cm and the load at 70 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  18. 18.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the fulcrum (b) near the fulcrum (c) far from the fulcrum (d) on the rock
  19. 19.⚖️ Which class of lever is a lemon squeezer? (a) class 1 (b) class 2 (c) class 3
  20. 20.⚖️ 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
  21. 21.True or false: a broom when sweeping is a class 3 lever (effort in the middle). (a) False (b) True
  22. 22.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 60 cm and the load at 0 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  23. 23.True or false: a wheelbarrow is a class 3 lever (effort in the middle). (a) False (b) True
  24. 24.⚖️ In a class 2 lever, what is in the middle? (a) the load (b) the axle (c) the fulcrum (d) the effort
  25. 25.⚖️ Which class of lever is your forearm? (a) class 1 (b) class 2 (c) class 3
  26. 26.⚖️ 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 3 (c) class 2
  27. 27.True or false: a pair of tweezers is a class 3 lever (effort in the middle). (a) False (b) True
  28. 28.⚖️ Along a straight bar, measured from the left end, the effort is at 100 cm, the fulcrum at 30 cm and the load at 70 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  29. 29.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 0 cm and the load at 40 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  30. 30.⚖️ Along a straight bar, measured from the left end, the effort is at 10 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
  31. 31.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 40 cm and the load at 60 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  32. 32.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 2 (b) class 1 (c) class 3
  33. 33.True or false: a pair of pliers is a class 3 lever (effort in the middle). (a) False (b) True
  34. 34.True or false: a pair of scissors is a class 1 lever (fulcrum in the middle). (a) False (b) True
  35. 35.⚖️ Which class of lever is a wheelbarrow? (a) class 1 (b) class 2 (c) class 3
  36. 36.⚖️ Which class of lever is a broom when sweeping? (a) class 2 (b) class 3 (c) class 1
  37. 37.True or false: your forearm is a class 1 lever (fulcrum in the middle). (a) False (b) True
  38. 38.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 50 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  39. 39.True or false: a beam balance is a class 1 lever (fulcrum in the middle). (a) False (b) True
  40. 40.True or false: a beam balance is a class 2 lever (load in the middle). (a) False (b) True

Answer key

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

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