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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 989 · 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 crowbar? (a) class 1 (b) class 2 (c) class 3
  2. 2.⚖️ Which class of lever is a wheelbarrow? (a) class 1 (b) class 3 (c) class 2
  3. 3.⚖️ Which class of lever is a pair of pliers? (a) class 2 (b) class 1 (c) class 3
  4. 4.⚖️ Which class of lever is a bottle opener? (a) class 1 (b) class 2 (c) class 3
  5. 5.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 10 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  6. 6.⚖️ Which class of lever is your forearm? (a) class 2 (b) class 3 (c) class 1
  7. 7.⚖️ In a class 3 lever, what is in the middle? (a) the pulley (b) the effort (c) the fulcrum (d) the load
  8. 8.True or false: a crowbar is a class 2 lever (load in the middle). (a) True (b) False
  9. 9.⚖️ In a class 1 lever, what is in the middle? (a) the effort (b) nothing (c) the fulcrum (d) the load
  10. 10.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 3 (b) class 2 (c) class 1
  11. 11.⚖️ What is the pivot point of a lever called? (a) the load (b) the effort (c) the fulcrum (d) the axle
  12. 12.True or false: a pair of kitchen tongs is a class 3 lever (effort in the middle). (a) True (b) False
  13. 13.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 70 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  14. 14.True or false: a crowbar is a class 3 lever (effort in the middle). (a) True (b) False
  15. 15.⚖️ 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 3 (c) class 2
  16. 16.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 20 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  17. 17.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 90 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  18. 18.True or false: a wheelbarrow is a class 2 lever (load in the middle). (a) False (b) True
  19. 19.True or false: a nutcracker is a class 2 lever (load in the middle). (a) True (b) False
  20. 20.⚖️ Which class of lever is a pair of scissors? (a) class 2 (b) class 1 (c) class 3
  21. 21.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 40 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  22. 22.⚖️ 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 3 (c) class 2
  23. 23.True or false: a pair of scissors is a class 2 lever (load in the middle). (a) True (b) False
  24. 24.⚖️ Which class of lever is a fishing rod? (a) class 1 (b) class 2 (c) class 3
  25. 25.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 40 cm and the load at 10 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  26. 26.True or false: a bottle opener is a class 2 lever (load in the middle). (a) True (b) False
  27. 27.⚖️ Which class of lever is a lemon squeezer? (a) class 2 (b) class 1 (c) class 3
  28. 28.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 60 cm and the load at 0 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  29. 29.True or false: a pair of tweezers is a class 3 lever (effort in the middle). (a) False (b) True
  30. 30.⚖️ 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 3 (c) class 2
  31. 31.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 10 cm and the load at 40 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  32. 32.⚖️ Which class of lever is a seesaw? (a) class 1 (b) class 2 (c) class 3
  33. 33.⚖️ 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 3 (b) class 2 (c) class 1
  34. 34.True or false: a bottle opener is a class 1 lever (fulcrum in the middle). (a) False (b) True
  35. 35.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 10 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  36. 36.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) far from the fulcrum (b) on the rock (c) near the fulcrum (d) on the fulcrum
  37. 37.⚖️ 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
  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 70 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  39. 39.⚖️ 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 1 (c) class 2
  40. 40.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 10 cm and the load at 60 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1

Answer key

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

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