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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 622 · 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.⚖️ What is the pivot point of a lever called? (a) the load (b) the effort (c) the fulcrum (d) the axle
  2. 2.⚖️ In a class 2 lever, what is in the middle? (a) the effort (b) the fulcrum (c) the axle (d) the load
  3. 3.⚖️ Which class of lever is a bottle opener? (a) class 2 (b) class 1 (c) class 3
  4. 4.⚖️ In a class 1 lever, what is in the middle? (a) nothing (b) the load (c) the fulcrum (d) the effort
  5. 5.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 50 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  6. 6.True or false: your forearm is a class 3 lever (effort in the middle). (a) True (b) False
  7. 7.⚖️ Which class of lever is your forearm? (a) class 3 (b) class 2 (c) class 1
  8. 8.⚖️ In a class 3 lever, what is in the middle? (a) the fulcrum (b) the load (c) the effort (d) the pulley
  9. 9.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 30 cm and the load at 60 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  10. 10.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 70 cm and the load at 60 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  11. 11.⚖️ Which class of lever is a pair of tweezers? (a) class 2 (b) class 1 (c) class 3
  12. 12.⚖️ Which class of lever is a pair of pliers? (a) class 1 (b) class 3 (c) class 2
  13. 13.True or false: a fishing rod is a class 3 lever (effort in the middle). (a) True (b) False
  14. 14.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 40 cm and the load at 80 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  15. 15.True or false: a bottle opener is a class 1 lever (fulcrum in the middle). (a) True (b) False
  16. 16.True or false: a seesaw is a class 1 lever (fulcrum in the middle). (a) True (b) False
  17. 17.⚖️ 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 3 (b) class 2 (c) class 1
  18. 18.True or false: a pair of scissors is a class 3 lever (effort in the middle). (a) True (b) False
  19. 19.True or false: a pair of tweezers 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 1 (b) class 2 (c) class 3
  21. 21.⚖️ Which class of lever is a lemon squeezer? (a) class 3 (b) class 2 (c) class 1
  22. 22.True or false: your forearm is a class 1 lever (fulcrum in the middle). (a) True (b) False
  23. 23.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 40 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  24. 24.True or false: a broom when sweeping is a class 2 lever (load in the middle). (a) False (b) True
  25. 25.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 90 cm and the load at 60 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  26. 26.⚖️ 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
  27. 27.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) near the fulcrum (b) on the fulcrum (c) on the rock (d) far from the fulcrum
  28. 28.⚖️ Which class of lever is a seesaw? (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, fulcrum, load. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  30. 30.⚖️ 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
  31. 31.⚖️ Which class of lever is a broom when sweeping? (a) class 3 (b) class 2 (c) class 1
  32. 32.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 0 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  33. 33.True or false: a wheelbarrow is a class 2 lever (load in the middle). (a) True (b) False
  34. 34.⚖️ Going along a lever from one end to the other, the order is: fulcrum, load, effort. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  35. 35.True or false: a pair of scissors is a class 1 lever (fulcrum in the middle). (a) True (b) False
  36. 36.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 20 cm and the load at 10 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  37. 37.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 0 cm and the load at 20 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  38. 38.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 60 cm and the load at 20 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  39. 39.⚖️ Which class of lever is a crowbar? (a) class 1 (b) class 3 (c) class 2
  40. 40.True or false: a pair of pliers is a class 3 lever (effort in the middle). (a) True (b) False

Answer key

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

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