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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 492 · 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.True or false: a fishing rod is a class 3 lever (effort in the middle). (a) True (b) False
  2. 2.⚖️ Going along a lever from one end to the other, the order is: load, effort, fulcrum. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  3. 3.⚖️ 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
  4. 4.True or false: a seesaw is a class 1 lever (fulcrum in the middle). (a) True (b) False
  5. 5.⚖️ Which class of lever is a seesaw? (a) class 1 (b) class 2 (c) class 3
  6. 6.⚖️ Along a straight bar, measured from the left end, the effort is at 40 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
  7. 7.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 2 (b) class 3 (c) class 1
  8. 8.⚖️ Which class of lever is a nutcracker? (a) class 1 (b) class 2 (c) class 3
  9. 9.True or false: your forearm is a class 2 lever (load in the middle). (a) True (b) False
  10. 10.⚖️ Along a straight bar, measured from the left end, the effort is at 40 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
  11. 11.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 30 cm and the load at 0 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  12. 12.⚖️ 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 3 (c) class 1
  13. 13.⚖️ Which class of lever is a pair of scissors? (a) class 1 (b) class 3 (c) class 2
  14. 14.⚖️ 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 2 (c) class 3
  15. 15.⚖️ Going along a lever from one end to the other, the order is: effort, load, fulcrum. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  16. 16.⚖️ In a class 1 lever, what is in the middle? (a) the load (b) the effort (c) nothing (d) the fulcrum
  17. 17.⚖️ In a class 2 lever, what is in the middle? (a) the effort (b) the axle (c) the load (d) the fulcrum
  18. 18.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) far from the fulcrum (b) on the rock (c) near the fulcrum (d) on the fulcrum
  19. 19.⚖️ Which class of lever is a broom when sweeping? (a) class 1 (b) class 3 (c) class 2
  20. 20.⚖️ Along a straight bar, measured from the left end, the effort is at 50 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
  21. 21.⚖️ Which class of lever is a pair of pliers? (a) class 2 (b) class 3 (c) class 1
  22. 22.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 70 cm and the load at 50 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  23. 23.True or false: a pair of pliers is a class 3 lever (effort in the middle). (a) False (b) True
  24. 24.⚖️ Which class of lever is a wheelbarrow? (a) class 2 (b) class 3 (c) class 1
  25. 25.True or false: a bottle opener is a class 2 lever (load in the middle). (a) False (b) True
  26. 26.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 10 cm and the load at 70 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  27. 27.True or false: a crowbar is a class 3 lever (effort in the middle). (a) False (b) True
  28. 28.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 20 cm and the load at 50 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  29. 29.⚖️ Which class of lever is a bottle opener? (a) class 1 (b) class 3 (c) class 2
  30. 30.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 20 cm and the load at 80 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  31. 31.True or false: a broom when sweeping is a class 3 lever (effort in the middle). (a) False (b) True
  32. 32.⚖️ What is the pivot point of a lever called? (a) the fulcrum (b) the load (c) the effort (d) the axle
  33. 33.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 0 cm and the load at 40 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  34. 34.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 80 cm and the load at 60 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  35. 35.⚖️ Along a straight bar, measured from the left end, the effort is at 100 cm, the fulcrum at 70 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  36. 36.⚖️ In a class 3 lever, what is in the middle? (a) the effort (b) the load (c) the pulley (d) the fulcrum
  37. 37.True or false: a seesaw is a class 3 lever (effort in the middle). (a) False (b) True
  38. 38.True or false: a crowbar is a class 1 lever (fulcrum in the middle). (a) True (b) False
  39. 39.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 30 cm and the load at 90 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  40. 40.True or false: a seesaw is a class 2 lever (load in the middle). (a) False (b) True

Answer key

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

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