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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 280 · 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 your forearm? (a) class 3 (b) class 1 (c) class 2
  2. 2.True or false: a pair of tweezers is a class 3 lever (effort in the middle). (a) False (b) True
  3. 3.⚖️ In a class 3 lever, what is in the middle? (a) the pulley (b) the effort (c) the load (d) the fulcrum
  4. 4.⚖️ Which class of lever is a pair of pliers? (a) class 1 (b) class 3 (c) class 2
  5. 5.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 20 cm and the load at 60 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  6. 6.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 40 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  7. 7.True or false: a crowbar is a class 1 lever (fulcrum in the middle). (a) False (b) True
  8. 8.⚖️ Which class of lever is a beam balance? (a) class 2 (b) class 3 (c) class 1
  9. 9.⚖️ What is the pivot point of a lever called? (a) the fulcrum (b) the load (c) the effort (d) the axle
  10. 10.⚖️ In a class 2 lever, what is in the middle? (a) the effort (b) the fulcrum (c) the axle (d) the load
  11. 11.⚖️ 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
  12. 12.True or false: your forearm is a class 1 lever (fulcrum in the middle). (a) True (b) False
  13. 13.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) far from the fulcrum (b) near the fulcrum (c) on the rock (d) on the fulcrum
  14. 14.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 40 cm and the load at 10 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  15. 15.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 60 cm and the load at 90 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  16. 16.⚖️ Which class of lever is a bottle opener? (a) class 3 (b) class 2 (c) class 1
  17. 17.⚖️ 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 2 (c) class 1
  18. 18.True or false: a nutcracker is a class 2 lever (load in the middle). (a) True (b) False
  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 0 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  20. 20.True or false: a pair of pliers is a class 3 lever (effort in the middle). (a) True (b) False
  21. 21.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) True (b) False
  22. 22.⚖️ 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 1 (c) class 2
  23. 23.⚖️ Which class of lever is a crowbar? (a) class 2 (b) class 3 (c) class 1
  24. 24.True or false: a wheelbarrow is a class 2 lever (load in the middle). (a) True (b) False
  25. 25.⚖️ Which class of lever is a fishing rod? (a) class 3 (b) class 2 (c) class 1
  26. 26.⚖️ Along a straight bar, measured from the left end, the effort is at 90 cm, the fulcrum at 50 cm and the load at 10 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  27. 27.True or false: a broom when sweeping is a class 2 lever (load in the middle). (a) True (b) False
  28. 28.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 70 cm and the load at 10 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  29. 29.True or false: a beam balance is a class 3 lever (effort 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 110 cm and the load at 70 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  31. 31.⚖️ In a class 1 lever, what is in the middle? (a) the load (b) the effort (c) the fulcrum (d) nothing
  32. 32.⚖️ Which class of lever is a seesaw? (a) class 3 (b) class 2 (c) class 1
  33. 33.True or false: your forearm is a class 2 lever (load in the middle). (a) True (b) False
  34. 34.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 20 cm and the load at 50 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  35. 35.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 20 cm and the load at 60 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  36. 36.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 50 cm and the load at 20 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  37. 37.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 30 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  38. 38.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 60 cm and the load at 10 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 40 cm, the fulcrum at 50 cm and the load at 0 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  40. 40.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 40 cm and the load at 70 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3

Answer key

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

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