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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 252 · 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.⚖️ 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 1 (c) class 2
  2. 2.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 0 cm and the load at 10 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  3. 3.⚖️ Along a straight bar, measured from the left end, the effort is at 0 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
  4. 4.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the fulcrum (b) far from the fulcrum (c) on the rock (d) near the fulcrum
  5. 5.True or false: a pair of scissors is a class 1 lever (fulcrum in the middle). (a) False (b) True
  6. 6.⚖️ Which class of lever is a wheelbarrow? (a) class 3 (b) class 1 (c) class 2
  7. 7.⚖️ Which class of lever is a lemon squeezer? (a) class 2 (b) class 1 (c) class 3
  8. 8.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 50 cm and the load at 70 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  9. 9.⚖️ 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 1 (c) class 3
  10. 10.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 20 cm and the load at 40 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  11. 11.⚖️ 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 2 (c) class 1
  12. 12.⚖️ In a class 1 lever, what is in the middle? (a) the load (b) nothing (c) the effort (d) the fulcrum
  13. 13.True or false: a crowbar is a class 1 lever (fulcrum in the middle). (a) True (b) False
  14. 14.⚖️ Which class of lever is a fishing rod? (a) class 2 (b) class 3 (c) class 1
  15. 15.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 70 cm and the load at 0 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  16. 16.⚖️ Which class of lever is a bottle opener? (a) class 1 (b) class 3 (c) class 2
  17. 17.⚖️ Which class of lever is a nutcracker? (a) class 3 (b) class 2 (c) class 1
  18. 18.True or false: a bottle opener is a class 3 lever (effort in the middle). (a) True (b) False
  19. 19.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) False (b) True
  20. 20.⚖️ Which class of lever is a crowbar? (a) class 1 (b) class 3 (c) class 2
  21. 21.⚖️ In a class 3 lever, what is in the middle? (a) the load (b) the effort (c) the pulley (d) the fulcrum
  22. 22.True or false: a nutcracker is a class 3 lever (effort in the middle). (a) True (b) False
  23. 23.⚖️ In a class 2 lever, what is in the middle? (a) the axle (b) the load (c) the fulcrum (d) the effort
  24. 24.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 30 cm and the load at 70 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  25. 25.⚖️ Which class of lever is a pair of pliers? (a) class 3 (b) class 2 (c) class 1
  26. 26.⚖️ Which class of lever is a pair of scissors? (a) class 1 (b) class 2 (c) class 3
  27. 27.True or false: a bottle opener is a class 1 lever (fulcrum in the middle). (a) False (b) True
  28. 28.True or false: a pair of scissors is a class 3 lever (effort in the middle). (a) False (b) True
  29. 29.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 80 cm and the load at 20 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  30. 30.True or false: your forearm is a class 2 lever (load in the middle). (a) True (b) False
  31. 31.True or false: a nutcracker is a class 2 lever (load in the middle). (a) False (b) True
  32. 32.⚖️ What is the pivot point of a lever called? (a) the axle (b) the effort (c) the load (d) the fulcrum
  33. 33.⚖️ Along a straight bar, measured from the left end, the effort is at 90 cm, the fulcrum at 50 cm and the load at 10 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  34. 34.True or false: a seesaw is a class 1 lever (fulcrum in the middle). (a) False (b) True
  35. 35.⚖️ Along a straight bar, measured from the left end, the effort is at 10 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
  36. 36.True or false: a pair of scissors is a class 2 lever (load in the middle). (a) True (b) False
  37. 37.⚖️ 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
  38. 38.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 40 cm and the load at 70 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  39. 39.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 20 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  40. 40.True or false: a broom when sweeping is a class 2 lever (load in the middle). (a) False (b) True

Answer key

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

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