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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 281 · 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 60 cm, the fulcrum at 20 cm and the load at 40 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  2. 2.⚖️ Which class of lever is a crowbar? (a) class 1 (b) class 3 (c) class 2
  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 2 (b) class 1 (c) class 3
  4. 4.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 3 (b) class 1 (c) class 2
  5. 5.⚖️ In a class 1 lever, what is in the middle? (a) the fulcrum (b) the load (c) the effort (d) nothing
  6. 6.True or false: a pair of kitchen tongs is a class 3 lever (effort in the middle). (a) True (b) False
  7. 7.⚖️ Which class of lever is a pair of scissors? (a) class 2 (b) class 3 (c) class 1
  8. 8.⚖️ Which class of lever is a nutcracker? (a) class 2 (b) class 1 (c) class 3
  9. 9.⚖️ Which class of lever is a beam balance? (a) class 3 (b) class 2 (c) class 1
  10. 10.True or false: a bottle opener is a class 2 lever (load in the middle). (a) False (b) True
  11. 11.True or false: a broom when sweeping is a class 3 lever (effort in the middle). (a) True (b) False
  12. 12.True or false: your forearm is a class 1 lever (fulcrum in the middle). (a) True (b) False
  13. 13.True or false: a wheelbarrow is a class 2 lever (load in the middle). (a) True (b) False
  14. 14.⚖️ 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 2 (c) class 3
  15. 15.⚖️ 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
  16. 16.⚖️ Which class of lever is a wheelbarrow? (a) class 1 (b) class 3 (c) class 2
  17. 17.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 50 cm and the load at 60 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  18. 18.True or false: a seesaw is a class 1 lever (fulcrum in the middle). (a) False (b) True
  19. 19.⚖️ What is the pivot point of a lever called? (a) the fulcrum (b) the effort (c) the load (d) the axle
  20. 20.⚖️ Along a straight bar, measured from the left end, the effort is at 30 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
  21. 21.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 30 cm and the load at 70 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  22. 22.⚖️ 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 1 (c) class 2
  23. 23.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 30 cm and the load at 40 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  24. 24.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) far from the fulcrum (b) on the fulcrum (c) near the fulcrum (d) on the rock
  25. 25.⚖️ In a class 3 lever, what is in the middle? (a) the pulley (b) the fulcrum (c) the effort (d) the load
  26. 26.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 80 cm and the load at 60 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  27. 27.⚖️ Which class of lever is a bottle opener? (a) class 1 (b) class 3 (c) class 2
  28. 28.⚖️ Along a straight bar, measured from the left end, the effort is at 90 cm, the fulcrum at 20 cm and the load at 50 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  29. 29.True or false: your forearm is a class 3 lever (effort in the middle). (a) False (b) True
  30. 30.⚖️ Which class of lever is a pair of pliers? (a) class 2 (b) class 3 (c) class 1
  31. 31.⚖️ 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 1 (c) class 2
  32. 32.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 70 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  33. 33.True or false: a lemon squeezer is a class 3 lever (effort in the middle). (a) False (b) True
  34. 34.⚖️ Which class of lever is a fishing rod? (a) class 2 (b) class 1 (c) class 3
  35. 35.True or false: a crowbar is a class 2 lever (load in the middle). (a) False (b) True
  36. 36.True or false: a pair of tweezers is a class 1 lever (fulcrum in the middle). (a) True (b) False
  37. 37.⚖️ Going along a lever from one end to the other, the order is: effort, fulcrum, load. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  38. 38.True or false: a broom when sweeping is a class 2 lever (load in the middle). (a) False (b) True
  39. 39.⚖️ Along a straight bar, measured from the left end, the effort is at 20 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
  40. 40.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 50 cm and the load at 10 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2

Answer key

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

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