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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 149 · 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 load (b) the pulley (c) the effort (d) the fulcrum
  2. 2.True or false: a bottle opener is a class 3 lever (effort in the middle). (a) True (b) False
  3. 3.⚖️ 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
  4. 4.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 0 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  5. 5.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the fulcrum (b) near the fulcrum (c) on the rock (d) far from the fulcrum
  6. 6.True or false: a pair of pliers is a class 2 lever (load in the middle). (a) True (b) False
  7. 7.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 3 (b) class 2 (c) class 1
  8. 8.⚖️ 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 2 (b) class 1 (c) class 3
  9. 9.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 10 cm and the load at 50 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  10. 10.⚖️ In a class 2 lever, what is in the middle? (a) the load (b) the axle (c) the effort (d) the fulcrum
  11. 11.True or false: a pair of scissors is a class 2 lever (load in the middle). (a) True (b) False
  12. 12.True or false: a pair of kitchen tongs is a class 3 lever (effort in the middle). (a) False (b) True
  13. 13.True or false: a bottle opener is a class 1 lever (fulcrum in the middle). (a) False (b) True
  14. 14.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 60 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  15. 15.True or false: a pair of tweezers is a class 2 lever (load in the middle). (a) True (b) False
  16. 16.⚖️ Which class of lever is a pair of scissors? (a) class 3 (b) class 2 (c) class 1
  17. 17.⚖️ In a class 1 lever, what is in the middle? (a) nothing (b) the effort (c) the load (d) the fulcrum
  18. 18.⚖️ Which class of lever is a lemon squeezer? (a) class 2 (b) class 3 (c) class 1
  19. 19.⚖️ Along a straight bar, measured from the left end, the effort is at 40 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
  20. 20.⚖️ What is the pivot point of a lever called? (a) the axle (b) the fulcrum (c) the effort (d) the load
  21. 21.True or false: a beam balance 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 60 cm, the fulcrum at 90 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  23. 23.True or false: a beam balance is a class 1 lever (fulcrum in the middle). (a) False (b) True
  24. 24.True or false: a nutcracker is a class 1 lever (fulcrum in the middle). (a) False (b) True
  25. 25.⚖️ Which class of lever is a fishing rod? (a) class 2 (b) class 1 (c) class 3
  26. 26.⚖️ Which class of lever is your forearm? (a) class 3 (b) class 1 (c) class 2
  27. 27.True or false: a pair of scissors is a class 3 lever (effort in the middle). (a) False (b) True
  28. 28.True or false: a seesaw is a class 1 lever (fulcrum in the middle). (a) False (b) True
  29. 29.True or false: a crowbar is a class 2 lever (load in the middle). (a) True (b) False
  30. 30.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 20 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  31. 31.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 30 cm and the load at 100 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  32. 32.True or false: a wheelbarrow is a class 3 lever (effort in the middle). (a) True (b) False
  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 60 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  34. 34.⚖️ Which class of lever is a crowbar? (a) class 1 (b) class 2 (c) class 3
  35. 35.⚖️ 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
  36. 36.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 20 cm and the load at 0 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  37. 37.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 80 cm and the load at 70 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  38. 38.⚖️ Which class of lever is a pair of tweezers? (a) class 2 (b) class 3 (c) class 1
  39. 39.⚖️ 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
  40. 40.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 10 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1

Answer key

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

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