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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 276 · 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 40 cm, the fulcrum at 10 cm and the load at 0 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  2. 2.⚖️ Along a straight bar, measured from the left end, the effort is at 10 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
  3. 3.⚖️ In a class 3 lever, what is in the middle? (a) the fulcrum (b) the load (c) the effort (d) the pulley
  4. 4.⚖️ 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
  5. 5.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 1 (b) class 2 (c) class 3
  6. 6.⚖️ Which class of lever is a nutcracker? (a) class 1 (b) class 2 (c) class 3
  7. 7.True or false: a seesaw is a class 2 lever (load in the middle). (a) True (b) False
  8. 8.True or false: a crowbar is a class 3 lever (effort in the middle). (a) False (b) True
  9. 9.⚖️ Which class of lever is a fishing rod? (a) class 1 (b) class 2 (c) class 3
  10. 10.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 10 cm and the load at 0 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  11. 11.True or false: a beam balance is a class 3 lever (effort in the middle). (a) True (b) False
  12. 12.⚖️ 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 3 (c) class 2
  13. 13.True or false: a crowbar is a class 1 lever (fulcrum in the middle). (a) False (b) True
  14. 14.⚖️ Which class of lever is a beam balance? (a) class 3 (b) class 2 (c) class 1
  15. 15.⚖️ What is the pivot point of a lever called? (a) the effort (b) the axle (c) the fulcrum (d) the load
  16. 16.⚖️ Along a straight bar, measured from the left end, the effort is at 60 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
  17. 17.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) near the fulcrum (b) far from the fulcrum (c) on the fulcrum (d) on the rock
  18. 18.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 30 cm and the load at 0 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  19. 19.⚖️ In a class 1 lever, what is in the middle? (a) the effort (b) nothing (c) the load (d) the fulcrum
  20. 20.True or false: a wheelbarrow is a class 1 lever (fulcrum in the middle). (a) False (b) True
  21. 21.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 50 cm and the load at 0 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  22. 22.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 30 cm and the load at 90 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  23. 23.True or false: a pair of scissors is a class 3 lever (effort in the middle). (a) True (b) False
  24. 24.⚖️ Which class of lever is a seesaw? (a) class 1 (b) class 3 (c) class 2
  25. 25.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 10 cm and the load at 20 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  26. 26.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 70 cm and the load at 100 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  27. 27.⚖️ 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 1 (c) class 3
  28. 28.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 60 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  29. 29.⚖️ Which class of lever is a pair of pliers? (a) class 2 (b) class 1 (c) class 3
  30. 30.True or false: a nutcracker is a class 2 lever (load in the middle). (a) True (b) False
  31. 31.True or false: a bottle opener is a class 1 lever (fulcrum in the middle). (a) False (b) True
  32. 32.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 10 cm and the load at 70 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  33. 33.⚖️ In a class 2 lever, what is in the middle? (a) the axle (b) the effort (c) the fulcrum (d) the load
  34. 34.⚖️ Which class of lever is a pair of scissors? (a) class 3 (b) class 1 (c) class 2
  35. 35.⚖️ 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 1 (b) class 2 (c) class 3
  36. 36.True or false: your forearm is a class 3 lever (effort in the middle). (a) True (b) False
  37. 37.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 40 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  38. 38.True or false: a wheelbarrow is a class 2 lever (load in the middle). (a) True (b) False
  39. 39.True or false: a fishing rod is a class 3 lever (effort in the middle). (a) True (b) False
  40. 40.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 60 cm and the load at 90 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2

Answer key

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

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