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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 120 · 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 0 cm, the fulcrum at 50 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  2. 2.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 70 cm and the load at 30 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 80 cm, the fulcrum at 0 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  4. 4.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) far from the fulcrum (b) near the fulcrum (c) on the rock (d) on the fulcrum
  5. 5.⚖️ In a class 3 lever, what is in the middle? (a) the pulley (b) the effort (c) the fulcrum (d) the load
  6. 6.⚖️ Which class of lever is a lemon squeezer? (a) class 3 (b) class 1 (c) class 2
  7. 7.⚖️ Which class of lever is a beam balance? (a) class 3 (b) class 1 (c) class 2
  8. 8.True or false: a pair of tweezers is a class 3 lever (effort in the middle). (a) False (b) True
  9. 9.⚖️ Along a straight bar, measured from the left end, the effort is at 70 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
  10. 10.⚖️ In a class 2 lever, what is in the middle? (a) the fulcrum (b) the axle (c) the effort (d) the load
  11. 11.True or false: a lemon squeezer is a class 3 lever (effort in the middle). (a) True (b) False
  12. 12.True or false: a wheelbarrow is a class 3 lever (effort in the middle). (a) False (b) True
  13. 13.⚖️ Along a straight bar, measured from the left end, the effort is at 100 cm, the fulcrum at 70 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  14. 14.⚖️ In a class 1 lever, what is in the middle? (a) the load (b) nothing (c) the fulcrum (d) the effort
  15. 15.⚖️ Which class of lever is a seesaw? (a) class 1 (b) class 2 (c) class 3
  16. 16.⚖️ What is the pivot point of a lever called? (a) the fulcrum (b) the load (c) the axle (d) the effort
  17. 17.⚖️ Along a straight bar, measured from the left end, the effort is at 50 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
  18. 18.True or false: a broom when sweeping 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 30 cm, the fulcrum at 20 cm and the load at 60 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  20. 20.True or false: a wheelbarrow is a class 1 lever (fulcrum in the middle). (a) True (b) False
  21. 21.⚖️ 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 3 (c) class 2
  22. 22.⚖️ 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 1 (c) class 2
  23. 23.⚖️ Which class of lever is a fishing rod? (a) class 1 (b) class 2 (c) class 3
  24. 24.⚖️ Going along a lever from one end to the other, the order is: effort, load, fulcrum. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  25. 25.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 80 cm and the load at 30 cm. 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 40 cm, the fulcrum at 10 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  27. 27.⚖️ Which class of lever is a wheelbarrow? (a) class 3 (b) class 2 (c) class 1
  28. 28.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 10 cm and the load at 40 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  29. 29.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 20 cm and the load at 90 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  30. 30.⚖️ 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
  31. 31.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 0 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  32. 32.True or false: a bottle opener is a class 2 lever (load in the middle). (a) True (b) False
  33. 33.⚖️ Which class of lever is a pair of pliers? (a) class 1 (b) class 2 (c) class 3
  34. 34.⚖️ Along a straight bar, measured from the left end, the effort is at 90 cm, the fulcrum at 30 cm and the load at 50 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  35. 35.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 100 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  36. 36.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 20 cm and the load at 50 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  37. 37.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 1 (b) class 2 (c) class 3
  38. 38.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 20 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  39. 39.⚖️ Which class of lever is a pair of tweezers? (a) class 3 (b) class 2 (c) class 1
  40. 40.⚖️ 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 3 (c) class 1

Answer key

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

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