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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 924 · 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 0 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  2. 2.⚖️ 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 2 (b) class 1 (c) class 3
  3. 3.True or false: a lemon squeezer is a class 3 lever (effort in the middle). (a) True (b) False
  4. 4.True or false: a wheelbarrow is a class 1 lever (fulcrum in the middle). (a) True (b) False
  5. 5.True or false: a pair of kitchen tongs is a class 1 lever (fulcrum in the middle). (a) True (b) False
  6. 6.⚖️ In a class 1 lever, what is in the middle? (a) nothing (b) the effort (c) the load (d) the fulcrum
  7. 7.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 40 cm and the load at 0 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  8. 8.⚖️ 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
  9. 9.⚖️ Which class of lever is a lemon squeezer? (a) class 1 (b) class 2 (c) class 3
  10. 10.True or false: a pair of kitchen tongs is a class 2 lever (load in the middle). (a) False (b) True
  11. 11.⚖️ What is the pivot point of a lever called? (a) the effort (b) the fulcrum (c) the load (d) the axle
  12. 12.⚖️ In a class 3 lever, what is in the middle? (a) the effort (b) the fulcrum (c) the load (d) the pulley
  13. 13.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 2 (b) class 3 (c) class 1
  14. 14.⚖️ Which class of lever is a wheelbarrow? (a) class 3 (b) class 1 (c) class 2
  15. 15.⚖️ In a class 2 lever, what is in the middle? (a) the load (b) the axle (c) the fulcrum (d) the effort
  16. 16.True or false: a fishing rod is a class 1 lever (fulcrum in the middle). (a) True (b) False
  17. 17.⚖️ Which class of lever is a pair of tweezers? (a) class 3 (b) class 1 (c) class 2
  18. 18.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 60 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  19. 19.True or false: a lemon squeezer is a class 2 lever (load in the middle). (a) True (b) False
  20. 20.True or false: a seesaw is a class 3 lever (effort in the middle). (a) False (b) True
  21. 21.⚖️ Which class of lever is a crowbar? (a) class 3 (b) class 1 (c) class 2
  22. 22.True or false: a nutcracker is a class 3 lever (effort in the middle). (a) True (b) False
  23. 23.⚖️ 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
  24. 24.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 10 cm and the load at 40 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  25. 25.True or false: a seesaw is a class 2 lever (load in the middle). (a) True (b) False
  26. 26.True or false: a pair of pliers is a class 2 lever (load in the middle). (a) False (b) True
  27. 27.True or false: a nutcracker is a class 2 lever (load in the middle). (a) True (b) False
  28. 28.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 50 cm and the load at 40 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  29. 29.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 30 cm and the load at 0 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  30. 30.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 20 cm and the load at 0 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  31. 31.⚖️ Going along a lever from one end to the other, the order is: load, fulcrum, effort. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  32. 32.True or false: a bottle opener is a class 2 lever (load in the middle). (a) False (b) True
  33. 33.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 30 cm and the load at 70 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  34. 34.⚖️ Which class of lever is a fishing rod? (a) class 1 (b) class 2 (c) class 3
  35. 35.True or false: a pair of scissors is a class 2 lever (load in the middle). (a) True (b) False
  36. 36.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 30 cm and the load at 100 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  37. 37.⚖️ Going along a lever from one end to the other, the order is: effort, fulcrum, load. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  38. 38.⚖️ 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
  39. 39.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 80 cm and the load at 50 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  40. 40.⚖️ Which class of lever is a pair of pliers? (a) class 1 (b) class 2 (c) class 3

Answer key

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

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