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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 780 · 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 50 cm, the fulcrum at 20 cm and the load at 10 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  2. 2.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 30 cm and the load at 0 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  3. 3.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 60 cm and the load at 20 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  4. 4.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 3 (b) class 2 (c) class 1
  5. 5.⚖️ Which class of lever is a beam balance? (a) class 2 (b) class 1 (c) class 3
  6. 6.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the rock (b) far from the fulcrum (c) on the fulcrum (d) near the fulcrum
  7. 7.⚖️ What is the pivot point of a lever called? (a) the fulcrum (b) the load (c) the effort (d) the axle
  8. 8.True or false: a pair of kitchen tongs is a class 3 lever (effort in the middle). (a) True (b) False
  9. 9.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 60 cm and the load at 40 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  10. 10.⚖️ Along a straight bar, measured from the left end, the effort is at 90 cm, the fulcrum at 30 cm and the load at 60 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  11. 11.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 60 cm and the load at 70 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  12. 12.⚖️ Which class of lever is a pair of pliers? (a) class 2 (b) class 1 (c) class 3
  13. 13.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 30 cm and the load at 0 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  14. 14.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 20 cm and the load at 10 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  15. 15.True or false: a crowbar is a class 1 lever (fulcrum in the middle). (a) True (b) False
  16. 16.⚖️ Which class of lever is a crowbar? (a) class 3 (b) class 2 (c) class 1
  17. 17.⚖️ In a class 1 lever, what is in the middle? (a) the fulcrum (b) nothing (c) the effort (d) the load
  18. 18.⚖️ 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
  19. 19.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 80 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  20. 20.⚖️ Which class of lever is a wheelbarrow? (a) class 1 (b) class 2 (c) class 3
  21. 21.True or false: a lemon squeezer is a class 1 lever (fulcrum in the middle). (a) False (b) True
  22. 22.⚖️ Which class of lever is a bottle opener? (a) class 3 (b) class 2 (c) class 1
  23. 23.⚖️ In a class 3 lever, what is in the middle? (a) the fulcrum (b) the pulley (c) the effort (d) the load
  24. 24.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 100 cm and the load at 70 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  25. 25.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 50 cm and the load at 80 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  26. 26.True or false: a pair of scissors is a class 1 lever (fulcrum in the middle). (a) False (b) True
  27. 27.⚖️ 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 3 (b) class 2 (c) class 1
  28. 28.True or false: a lemon squeezer is a class 2 lever (load in the middle). (a) False (b) True
  29. 29.⚖️ Which class of lever is a broom when sweeping? (a) class 1 (b) class 3 (c) class 2
  30. 30.⚖️ 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 3 (c) class 2
  31. 31.True or false: a pair of kitchen tongs is a class 1 lever (fulcrum in the middle). (a) True (b) False
  32. 32.⚖️ Going along a lever from one end to the other, the order is: fulcrum, effort, load. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  33. 33.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 20 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  34. 34.⚖️ Along a straight bar, measured from the left end, the effort is at 110 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
  35. 35.⚖️ 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 1 (c) class 2
  36. 36.True or false: a nutcracker is a class 2 lever (load in the middle). (a) False (b) True
  37. 37.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 30 cm and the load at 10 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  38. 38.⚖️ Which class of lever is a pair of tweezers? (a) class 2 (b) class 3 (c) class 1
  39. 39.⚖️ Which class of lever is a pair of scissors? (a) class 1 (b) class 3 (c) class 2
  40. 40.⚖️ In a class 2 lever, what is in the middle? (a) the axle (b) the effort (c) the fulcrum (d) the load

Answer key

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

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