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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 316 · 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.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the rock (b) on the fulcrum (c) near the fulcrum (d) far from the fulcrum
  2. 2.⚖️ Which class of lever is a seesaw? (a) class 3 (b) class 2 (c) class 1
  3. 3.True or false: a seesaw is a class 1 lever (fulcrum in the middle). (a) True (b) False
  4. 4.⚖️ 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
  5. 5.True or false: a lemon squeezer is a class 1 lever (fulcrum in the middle). (a) False (b) True
  6. 6.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 50 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  7. 7.True or false: a crowbar is a class 3 lever (effort in the middle). (a) True (b) False
  8. 8.⚖️ 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 3 (c) class 2
  9. 9.⚖️ Which class of lever is your forearm? (a) class 3 (b) class 1 (c) class 2
  10. 10.⚖️ Which class of lever is a bottle opener? (a) class 2 (b) class 1 (c) class 3
  11. 11.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 30 cm and the load at 40 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  12. 12.⚖️ Which class of lever is a nutcracker? (a) class 3 (b) class 2 (c) class 1
  13. 13.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 10 cm and the load at 20 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  14. 14.⚖️ Going along a lever from one end to the other, the order is: fulcrum, load, effort. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  15. 15.True or false: a pair of tweezers is a class 1 lever (fulcrum in the middle). (a) True (b) False
  16. 16.True or false: a pair of pliers is a class 2 lever (load in the middle). (a) False (b) True
  17. 17.True or false: a crowbar is a class 2 lever (load in the middle). (a) False (b) True
  18. 18.True or false: a wheelbarrow is a class 1 lever (fulcrum in the middle). (a) False (b) True
  19. 19.True or false: a lemon squeezer is a class 3 lever (effort in the middle). (a) False (b) True
  20. 20.⚖️ Which class of lever is a pair of scissors? (a) class 3 (b) class 1 (c) class 2
  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 2 (b) class 1 (c) class 3
  22. 22.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 90 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  23. 23.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 50 cm and the load at 10 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  24. 24.True or false: a bottle opener is a class 2 lever (load in the middle). (a) True (b) False
  25. 25.True or false: a bottle opener is a class 3 lever (effort in the middle). (a) True (b) False
  26. 26.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) True (b) False
  27. 27.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 20 cm and the load at 60 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  28. 28.⚖️ 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
  29. 29.⚖️ Which class of lever is a pair of tweezers? (a) class 1 (b) class 2 (c) class 3
  30. 30.⚖️ Which class of lever is a beam balance? (a) class 2 (b) class 1 (c) class 3
  31. 31.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 30 cm and the load at 90 cm. 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 30 cm, the fulcrum at 40 cm and the load at 80 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  33. 33.⚖️ 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 1 (b) class 2 (c) class 3
  34. 34.True or false: a pair of kitchen tongs is a class 2 lever (load in the middle). (a) True (b) False
  35. 35.True or false: a broom when sweeping is a class 2 lever (load in the middle). (a) True (b) False
  36. 36.True or false: a broom when sweeping is a class 3 lever (effort in the middle). (a) False (b) True
  37. 37.⚖️ 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 3 (b) class 2 (c) class 1
  38. 38.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 100 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  39. 39.⚖️ Which class of lever is a fishing rod? (a) class 2 (b) class 3 (c) class 1
  40. 40.⚖️ In a class 3 lever, what is in the middle? (a) the fulcrum (b) the effort (c) the pulley (d) the load

Answer key

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

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