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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 422 · 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 seesaw? (a) class 2 (b) class 3 (c) class 1
  2. 2.True or false: a wheelbarrow is a class 3 lever (effort in the middle). (a) False (b) True
  3. 3.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) near the fulcrum (b) far from the fulcrum (c) on the rock (d) on the fulcrum
  4. 4.True or false: a pair of scissors is a class 3 lever (effort in the middle). (a) True (b) False
  5. 5.⚖️ Which class of lever is your forearm? (a) class 2 (b) class 1 (c) class 3
  6. 6.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 80 cm and the load at 40 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  7. 7.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 0 cm and the load at 20 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  8. 8.⚖️ Which class of lever is a nutcracker? (a) class 2 (b) class 3 (c) class 1
  9. 9.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 1 (b) class 2 (c) class 3
  10. 10.⚖️ 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
  11. 11.⚖️ 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 3 (b) class 1 (c) class 2
  12. 12.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 0 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  13. 13.⚖️ 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 1 (c) class 2
  14. 14.⚖️ Which class of lever is a pair of pliers? (a) class 2 (b) class 3 (c) class 1
  15. 15.⚖️ 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 1 (c) class 3
  16. 16.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 70 cm and the load at 100 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  17. 17.True or false: a pair of kitchen tongs is a class 2 lever (load in the middle). (a) False (b) True
  18. 18.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 30 cm and the load at 10 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  19. 19.⚖️ What is the pivot point of a lever called? (a) the load (b) the effort (c) the axle (d) the fulcrum
  20. 20.True or false: your forearm is a class 3 lever (effort in the middle). (a) True (b) False
  21. 21.True or false: a fishing rod is a class 2 lever (load in the middle). (a) False (b) True
  22. 22.⚖️ 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 2 (b) class 1 (c) class 3
  23. 23.⚖️ In a class 2 lever, what is in the middle? (a) the effort (b) the axle (c) the fulcrum (d) the load
  24. 24.⚖️ Going along a lever from one end to the other, the order is: fulcrum, effort, load. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  25. 25.True or false: a crowbar is a class 3 lever (effort in the middle). (a) True (b) False
  26. 26.True or false: a pair of tweezers is a class 3 lever (effort in the middle). (a) True (b) False
  27. 27.⚖️ Going along a lever from one end to the other, the order is: load, fulcrum, effort. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  28. 28.⚖️ 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
  29. 29.⚖️ In a class 3 lever, what is in the middle? (a) the effort (b) the pulley (c) the fulcrum (d) the load
  30. 30.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 20 cm and the load at 60 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  31. 31.True or false: your forearm is a class 1 lever (fulcrum in the middle). (a) False (b) True
  32. 32.⚖️ Which class of lever is a pair of tweezers? (a) class 1 (b) class 2 (c) class 3
  33. 33.⚖️ Which class of lever is a wheelbarrow? (a) class 3 (b) class 1 (c) class 2
  34. 34.True or false: a broom when sweeping is a class 2 lever (load in the middle). (a) True (b) False
  35. 35.True or false: a beam balance is a class 3 lever (effort in the middle). (a) False (b) True
  36. 36.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 20 cm and the load at 70 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  37. 37.⚖️ Which class of lever is a fishing rod? (a) class 1 (b) class 2 (c) class 3
  38. 38.⚖️ Which class of lever is a crowbar? (a) class 2 (b) class 3 (c) class 1
  39. 39.True or false: a bottle opener is a class 1 lever (fulcrum in the middle). (a) True (b) False
  40. 40.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 50 cm and the load at 70 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1

Answer key

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

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