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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 112 · 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 70 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
  2. 2.⚖️ In a class 2 lever, what is in the middle? (a) the effort (b) the fulcrum (c) the load (d) the axle
  3. 3.⚖️ 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
  4. 4.⚖️ Which class of lever is a pair of pliers? (a) class 3 (b) class 2 (c) class 1
  5. 5.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 1 (b) class 3 (c) class 2
  6. 6.⚖️ In a class 1 lever, what is in the middle? (a) the effort (b) the fulcrum (c) the load (d) nothing
  7. 7.⚖️ 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 1 (b) class 2 (c) class 3
  8. 8.True or false: a pair of tweezers is a class 3 lever (effort in the middle). (a) True (b) False
  9. 9.⚖️ Which class of lever is a crowbar? (a) class 2 (b) class 3 (c) class 1
  10. 10.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 70 cm and the load at 20 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  11. 11.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 80 cm and the load at 40 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  12. 12.⚖️ Going along a lever from one end to the other, the order is: load, fulcrum, effort. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  13. 13.⚖️ In a class 3 lever, what is in the middle? (a) the fulcrum (b) the effort (c) the pulley (d) the load
  14. 14.⚖️ 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
  15. 15.⚖️ Which class of lever is your forearm? (a) class 1 (b) class 2 (c) class 3
  16. 16.⚖️ Which class of lever is a bottle opener? (a) class 2 (b) class 1 (c) class 3
  17. 17.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 10 cm and the load at 50 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  18. 18.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 90 cm and the load at 20 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  19. 19.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 70 cm and the load at 80 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  20. 20.⚖️ Which class of lever is a beam balance? (a) class 3 (b) class 1 (c) class 2
  21. 21.⚖️ Which class of lever is a wheelbarrow? (a) class 1 (b) class 2 (c) class 3
  22. 22.⚖️ What is the pivot point of a lever called? (a) the load (b) the axle (c) the fulcrum (d) the effort
  23. 23.True or false: a fishing rod is a class 2 lever (load in the middle). (a) False (b) True
  24. 24.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 40 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  25. 25.True or false: a pair of pliers is a class 3 lever (effort in the middle). (a) False (b) True
  26. 26.⚖️ Which class of lever is a pair of scissors? (a) class 1 (b) class 2 (c) class 3
  27. 27.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 30 cm and the load at 80 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  28. 28.⚖️ Along a straight bar, measured from the left end, the effort is at 60 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
  29. 29.⚖️ 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
  30. 30.True or false: a pair of kitchen tongs is a class 3 lever (effort in the middle). (a) False (b) True
  31. 31.⚖️ 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 2 (c) class 1
  32. 32.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 30 cm and the load at 50 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  33. 33.True or false: a nutcracker is a class 2 lever (load in the middle). (a) True (b) False
  34. 34.True or false: a seesaw is a class 2 lever (load in the middle). (a) False (b) True
  35. 35.True or false: a bottle opener is a class 2 lever (load in the middle). (a) True (b) False
  36. 36.True or false: your forearm is a class 3 lever (effort in the middle). (a) True (b) False
  37. 37.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 40 cm and the load at 0 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  38. 38.⚖️ Which class of lever is a nutcracker? (a) class 3 (b) class 1 (c) class 2
  39. 39.⚖️ Along a straight bar, measured from the left end, the effort is at 40 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
  40. 40.⚖️ Along a straight bar, measured from the left end, the effort is at 30 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

Answer key

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

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