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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 100 · 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 50 cm, the fulcrum at 30 cm and the load at 70 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  2. 2.True or false: your forearm is a class 1 lever (fulcrum in the middle). (a) True (b) False
  3. 3.⚖️ Which class of lever is a pair of pliers? (a) class 1 (b) class 2 (c) class 3
  4. 4.⚖️ 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 3 (c) class 2
  5. 5.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 60 cm and the load at 20 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  6. 6.⚖️ In a class 1 lever, what is in the middle? (a) nothing (b) the fulcrum (c) the effort (d) the load
  7. 7.⚖️ What is the pivot point of a lever called? (a) the fulcrum (b) the load (c) the axle (d) the effort
  8. 8.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 60 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  9. 9.⚖️ Which class of lever is a pair of scissors? (a) class 3 (b) class 1 (c) class 2
  10. 10.True or false: a beam balance is a class 3 lever (effort in the middle). (a) True (b) False
  11. 11.True or false: a crowbar is a class 2 lever (load in the middle). (a) True (b) False
  12. 12.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 60 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  13. 13.⚖️ In a class 3 lever, what is in the middle? (a) the fulcrum (b) the pulley (c) the effort (d) the load
  14. 14.⚖️ In a class 2 lever, what is in the middle? (a) the effort (b) the axle (c) the fulcrum (d) the load
  15. 15.True or false: a wheelbarrow is a class 2 lever (load in the middle). (a) True (b) False
  16. 16.⚖️ Which class of lever is a nutcracker? (a) class 3 (b) class 1 (c) class 2
  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 lemon squeezer? (a) class 3 (b) class 2 (c) class 1
  19. 19.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 40 cm and the load at 0 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  20. 20.⚖️ Which class of lever is your forearm? (a) class 3 (b) class 1 (c) class 2
  21. 21.⚖️ Which class of lever is a fishing rod? (a) class 1 (b) class 3 (c) class 2
  22. 22.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 40 cm and the load at 50 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  23. 23.⚖️ 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
  24. 24.⚖️ Which class of lever is a seesaw? (a) class 3 (b) class 1 (c) class 2
  25. 25.⚖️ Along a straight bar, measured from the left end, the effort is at 100 cm, the fulcrum at 60 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  26. 26.⚖️ 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
  27. 27.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 70 cm and the load at 50 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  28. 28.⚖️ Going along a lever from one end to the other, the order is: effort, load, fulcrum. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  29. 29.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 30 cm and the load at 70 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 30 cm, the fulcrum at 20 cm and the load at 0 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  31. 31.⚖️ 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
  32. 32.True or false: a pair of tweezers is a class 3 lever (effort in the middle). (a) False (b) True
  33. 33.⚖️ Going along a lever from one end to the other, the order is: load, fulcrum, effort. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  34. 34.True or false: a bottle opener is a class 2 lever (load in the middle). (a) False (b) True
  35. 35.⚖️ Which class of lever is a crowbar? (a) class 3 (b) class 1 (c) class 2
  36. 36.⚖️ Along a straight bar, measured from the left end, the effort is at 20 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
  37. 37.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 50 cm and the load at 40 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  38. 38.True or false: a pair of kitchen tongs is a class 3 lever (effort in the middle). (a) False (b) True
  39. 39.⚖️ Which class of lever is a wheelbarrow? (a) class 2 (b) class 1 (c) class 3
  40. 40.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 80 cm and the load at 10 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1

Answer key

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

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