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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 73 · 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.⚖️ In a class 3 lever, what is in the middle? (a) the fulcrum (b) the pulley (c) the effort (d) the load
  2. 2.True or false: a broom when sweeping is a class 2 lever (load in the middle). (a) False (b) True
  3. 3.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 110 cm and the load at 70 cm. 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 tweezers? (a) class 3 (b) class 1 (c) class 2
  5. 5.⚖️ Going along a lever from one end to the other, the order is: effort, load, fulcrum. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  6. 6.True or false: a bottle opener is a class 2 lever (load in the middle). (a) True (b) False
  7. 7.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 40 cm and the load at 80 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  8. 8.⚖️ In a class 1 lever, what is in the middle? (a) the fulcrum (b) the load (c) the effort (d) nothing
  9. 9.⚖️ 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 3 (c) class 2
  10. 10.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 30 cm and the load at 0 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  11. 11.True or false: a pair of tweezers is a class 2 lever (load in the middle). (a) False (b) True
  12. 12.⚖️ 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 3 (c) class 1
  13. 13.True or false: a seesaw is a class 1 lever (fulcrum in the middle). (a) True (b) False
  14. 14.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 70 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  15. 15.⚖️ Which class of lever is a nutcracker? (a) class 2 (b) class 3 (c) class 1
  16. 16.True or false: a crowbar is a class 2 lever (load in the middle). (a) False (b) True
  17. 17.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 30 cm and the load at 90 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  18. 18.⚖️ Which class of lever is a pair of pliers? (a) class 3 (b) class 1 (c) class 2
  19. 19.⚖️ 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 1 (c) class 3
  20. 20.⚖️ What is the pivot point of a lever called? (a) the load (b) the fulcrum (c) the axle (d) the effort
  21. 21.⚖️ 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
  22. 22.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 2 (b) class 3 (c) class 1
  23. 23.⚖️ 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 3 (c) class 1
  24. 24.⚖️ Which class of lever is a lemon squeezer? (a) class 3 (b) class 2 (c) class 1
  25. 25.⚖️ 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
  26. 26.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 0 cm and the load at 50 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  27. 27.⚖️ Which class of lever is a pair of scissors? (a) class 1 (b) class 3 (c) class 2
  28. 28.True or false: a wheelbarrow is a class 2 lever (load in the middle). (a) True (b) False
  29. 29.⚖️ Which class of lever is a wheelbarrow? (a) class 3 (b) class 2 (c) class 1
  30. 30.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) near the fulcrum (b) on the fulcrum (c) far from the fulcrum (d) on the rock
  31. 31.⚖️ Which class of lever is your forearm? (a) class 3 (b) class 2 (c) class 1
  32. 32.True or false: a beam balance is a class 1 lever (fulcrum in the middle). (a) False (b) True
  33. 33.⚖️ Which class of lever is a beam balance? (a) class 1 (b) class 2 (c) class 3
  34. 34.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 40 cm and the load at 70 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  35. 35.⚖️ Which class of lever is a crowbar? (a) class 3 (b) class 2 (c) class 1
  36. 36.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 0 cm and the load at 40 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  37. 37.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 10 cm and the load at 80 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  38. 38.True or false: your forearm is a class 1 lever (fulcrum in the middle). (a) False (b) True
  39. 39.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 80 cm and the load at 50 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  40. 40.True or false: a broom when sweeping is a class 1 lever (fulcrum in the middle). (a) True (b) False

Answer key

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

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