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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 191 · 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 1 (c) class 3
  2. 2.⚖️ In a class 1 lever, what is in the middle? (a) the effort (b) nothing (c) the fulcrum (d) the load
  3. 3.⚖️ Which class of lever is a crowbar? (a) class 3 (b) class 2 (c) class 1
  4. 4.⚖️ Which class of lever is a nutcracker? (a) class 1 (b) class 2 (c) class 3
  5. 5.⚖️ 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 3 (c) class 1
  6. 6.⚖️ 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
  7. 7.⚖️ In a class 3 lever, what is in the middle? (a) the effort (b) the pulley (c) the load (d) the fulcrum
  8. 8.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 60 cm and the load at 50 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  9. 9.True or false: a crowbar is a class 1 lever (fulcrum in the middle). (a) False (b) True
  10. 10.True or false: a seesaw is a class 2 lever (load in the middle). (a) True (b) False
  11. 11.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 30 cm and the load at 60 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  12. 12.True or false: a seesaw is a class 1 lever (fulcrum in the middle). (a) True (b) False
  13. 13.⚖️ 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 3 (c) class 1
  14. 14.⚖️ Which class of lever is a pair of scissors? (a) class 2 (b) class 3 (c) class 1
  15. 15.⚖️ 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 2 (b) class 3 (c) class 1
  16. 16.True or false: a nutcracker is a class 2 lever (load in the middle). (a) False (b) True
  17. 17.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) False (b) True
  18. 18.True or false: a fishing rod is a class 3 lever (effort in the middle). (a) True (b) False
  19. 19.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 50 cm and the load at 30 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 2 (c) class 1
  21. 21.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 90 cm and the load at 10 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  22. 22.True or false: a bottle opener is a class 1 lever (fulcrum in the middle). (a) False (b) True
  23. 23.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 30 cm and the load at 50 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  24. 24.True or false: a pair of kitchen tongs is a class 2 lever (load in the middle). (a) True (b) False
  25. 25.True or false: your forearm is a class 3 lever (effort in the middle). (a) False (b) True
  26. 26.True or false: a crowbar is a class 2 lever (load in the middle). (a) True (b) False
  27. 27.⚖️ Which class of lever is your forearm? (a) class 1 (b) class 3 (c) class 2
  28. 28.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 60 cm and the load at 20 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  29. 29.⚖️ 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 2 (b) class 1 (c) class 3
  30. 30.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 10 cm and the load at 50 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  31. 31.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 50 cm and the load at 60 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  32. 32.⚖️ Along a straight bar, measured from the left end, the effort is at 90 cm, the fulcrum at 30 cm and the load at 70 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  33. 33.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 30 cm and the load at 40 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  34. 34.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 30 cm and the load at 110 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  35. 35.True or false: a fishing rod is a class 2 lever (load in the middle). (a) True (b) False
  36. 36.⚖️ What is the pivot point of a lever called? (a) the fulcrum (b) the load (c) the axle (d) the effort
  37. 37.⚖️ Which class of lever is a lemon squeezer? (a) class 3 (b) class 2 (c) class 1
  38. 38.True or false: a wheelbarrow is a class 2 lever (load in the middle). (a) False (b) True
  39. 39.⚖️ Which class of lever is a bottle opener? (a) class 3 (b) class 1 (c) class 2
  40. 40.⚖️ In a class 2 lever, what is in the middle? (a) the load (b) the effort (c) the axle (d) the fulcrum

Answer key

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

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