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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 43 · 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.⚖️ Which class of lever is a wheelbarrow? (a) class 1 (b) class 3 (c) class 2
  2. 2.⚖️ 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 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 30 cm and the load at 70 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  4. 4.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 30 cm and the load at 20 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  5. 5.True or false: a bottle opener is a class 1 lever (fulcrum in the middle). (a) True (b) False
  6. 6.⚖️ Which class of lever is a fishing rod? (a) class 2 (b) class 3 (c) class 1
  7. 7.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 70 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  8. 8.⚖️ 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
  9. 9.True or false: a beam balance is a class 2 lever (load in the middle). (a) False (b) True
  10. 10.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 10 cm and the load at 70 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  11. 11.True or false: a pair of scissors is a class 2 lever (load in the middle). (a) False (b) True
  12. 12.⚖️ Which class of lever is a pair of tweezers? (a) class 2 (b) class 3 (c) class 1
  13. 13.⚖️ 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
  14. 14.⚖️ In a class 2 lever, what is in the middle? (a) the fulcrum (b) the axle (c) the effort (d) the load
  15. 15.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the rock (b) near the fulcrum (c) on the fulcrum (d) far from the fulcrum
  16. 16.True or false: a pair of tweezers is a class 2 lever (load in the middle). (a) True (b) False
  17. 17.⚖️ Going along a lever from one end to the other, the order is: fulcrum, load, effort. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  18. 18.True or false: a lemon squeezer is a class 1 lever (fulcrum in the middle). (a) True (b) False
  19. 19.True or false: a seesaw is a class 1 lever (fulcrum in the middle). (a) True (b) False
  20. 20.⚖️ Which class of lever is a bottle opener? (a) class 3 (b) class 2 (c) class 1
  21. 21.⚖️ 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 3 (b) class 1 (c) class 2
  22. 22.True or false: a pair of kitchen tongs is a class 2 lever (load in the middle). (a) True (b) False
  23. 23.⚖️ Which class of lever is your forearm? (a) class 3 (b) class 1 (c) class 2
  24. 24.True or false: a wheelbarrow is a class 2 lever (load in the middle). (a) False (b) True
  25. 25.True or false: a pair of tweezers is a class 3 lever (effort in the middle). (a) True (b) False
  26. 26.⚖️ In a class 1 lever, what is in the middle? (a) the load (b) the fulcrum (c) nothing (d) the effort
  27. 27.⚖️ 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
  28. 28.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 3 (b) class 1 (c) class 2
  29. 29.⚖️ Going along a lever from one end to the other, the order is: load, effort, fulcrum. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  30. 30.True or false: a pair of scissors is a class 3 lever (effort in the middle). (a) False (b) True
  31. 31.⚖️ Which class of lever is a seesaw? (a) class 3 (b) class 1 (c) class 2
  32. 32.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 20 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  33. 33.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 20 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  34. 34.True or false: a beam balance is a class 1 lever (fulcrum in the middle). (a) False (b) True
  35. 35.True or false: a nutcracker is a class 2 lever (load in the middle). (a) False (b) True
  36. 36.True or false: a broom when sweeping is a class 2 lever (load in the middle). (a) True (b) False
  37. 37.⚖️ Which class of lever is a broom when sweeping? (a) class 3 (b) class 1 (c) class 2
  38. 38.⚖️ Going along a lever from one end to the other, the order is: fulcrum, effort, load. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  39. 39.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 0 cm and the load at 20 cm. 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 60 cm, the fulcrum at 10 cm and the load at 20 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3

Answer key

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

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