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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 267 · 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 90 cm, the fulcrum at 20 cm and the load at 50 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  2. 2.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 40 cm and the load at 60 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  3. 3.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the fulcrum (b) far from the fulcrum (c) near the fulcrum (d) on the rock
  4. 4.⚖️ Which class of lever is a beam balance? (a) class 3 (b) class 1 (c) class 2
  5. 5.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 80 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  6. 6.True or false: your forearm is a class 2 lever (load in the middle). (a) False (b) True
  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.⚖️ Which class of lever is a pair of tweezers? (a) class 2 (b) class 1 (c) class 3
  9. 9.⚖️ Which class of lever is your forearm? (a) class 2 (b) class 3 (c) class 1
  10. 10.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 3 (b) class 2 (c) class 1
  11. 11.True or false: a crowbar is a class 1 lever (fulcrum in the middle). (a) True (b) False
  12. 12.⚖️ Which class of lever is a bottle opener? (a) class 1 (b) class 3 (c) class 2
  13. 13.⚖️ 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 1 (b) class 3 (c) class 2
  14. 14.⚖️ Which class of lever is a fishing rod? (a) class 3 (b) class 1 (c) class 2
  15. 15.True or false: a crowbar is a class 2 lever (load in the middle). (a) False (b) True
  16. 16.⚖️ Going along a lever from one end to the other, the order is: effort, fulcrum, load. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  17. 17.⚖️ Which class of lever is a seesaw? (a) class 1 (b) class 2 (c) class 3
  18. 18.True or false: a pair of kitchen tongs is a class 3 lever (effort in the middle). (a) False (b) True
  19. 19.True or false: a nutcracker is a class 2 lever (load in the middle). (a) False (b) True
  20. 20.True or false: your forearm is a class 1 lever (fulcrum in the middle). (a) True (b) False
  21. 21.True or false: your forearm is a class 3 lever (effort in the middle). (a) False (b) True
  22. 22.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 20 cm and the load at 60 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  23. 23.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 40 cm and the load at 0 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  24. 24.⚖️ 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 1 (c) class 3
  25. 25.⚖️ In a class 2 lever, what is in the middle? (a) the load (b) the axle (c) the fulcrum (d) the effort
  26. 26.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 40 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  27. 27.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 50 cm and the load at 20 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  28. 28.⚖️ Along a straight bar, measured from the left end, the effort is at 20 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
  29. 29.⚖️ 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 3 (c) class 1
  30. 30.True or false: a seesaw is a class 1 lever (fulcrum in the middle). (a) False (b) True
  31. 31.True or false: a nutcracker is a class 1 lever (fulcrum in the middle). (a) False (b) True
  32. 32.⚖️ In a class 1 lever, what is in the middle? (a) nothing (b) the fulcrum (c) the effort (d) the load
  33. 33.⚖️ Which class of lever is a pair of pliers? (a) class 3 (b) class 2 (c) class 1
  34. 34.⚖️ Which class of lever is a lemon squeezer? (a) class 2 (b) class 3 (c) class 1
  35. 35.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 60 cm and the load at 100 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  36. 36.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 30 cm and the load at 80 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  37. 37.True or false: a wheelbarrow is a class 1 lever (fulcrum in the middle). (a) True (b) False
  38. 38.⚖️ 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
  39. 39.⚖️ In a class 3 lever, what is in the middle? (a) the fulcrum (b) the effort (c) the pulley (d) the load
  40. 40.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 60 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3

Answer key

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

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