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Types of Levers Worksheet

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

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