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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 188 · 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.⚖️ In a class 3 lever, what is in the middle? (a) the fulcrum (b) the load (c) the pulley (d) the effort
  2. 2.True or false: a pair of tweezers is a class 3 lever (effort in the middle). (a) False (b) True
  3. 3.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 0 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  4. 4.True or false: a pair of pliers is a class 2 lever (load in the middle). (a) False (b) True
  5. 5.⚖️ 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
  6. 6.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 20 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  7. 7.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 60 cm and the load at 20 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  8. 8.⚖️ Which class of lever is a pair of tweezers? (a) class 2 (b) class 1 (c) class 3
  9. 9.⚖️ Going along a lever from one end to the other, the order is: fulcrum, effort, load. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  10. 10.⚖️ Which class of lever is a wheelbarrow? (a) class 1 (b) class 3 (c) class 2
  11. 11.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 10 cm and the load at 50 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  12. 12.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 50 cm and the load at 90 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  13. 13.⚖️ 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
  14. 14.⚖️ Along a straight bar, measured from the left end, the effort is at 20 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
  15. 15.⚖️ 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
  16. 16.⚖️ In a class 1 lever, what is in the middle? (a) the fulcrum (b) the load (c) the effort (d) nothing
  17. 17.True or false: a bottle opener is a class 1 lever (fulcrum in the middle). (a) True (b) False
  18. 18.⚖️ Which class of lever is a broom when sweeping? (a) class 1 (b) class 3 (c) class 2
  19. 19.True or false: a seesaw is a class 1 lever (fulcrum in the middle). (a) True (b) False
  20. 20.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 1 (b) class 3 (c) class 2
  21. 21.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 40 cm and the load at 50 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  22. 22.⚖️ Which class of lever is a crowbar? (a) class 3 (b) class 1 (c) class 2
  23. 23.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 20 cm and the load at 60 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  24. 24.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 20 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  25. 25.⚖️ In a class 2 lever, what is in the middle? (a) the load (b) the fulcrum (c) the effort (d) the axle
  26. 26.⚖️ What is the pivot point of a lever called? (a) the load (b) the axle (c) the effort (d) the fulcrum
  27. 27.⚖️ Which class of lever is a pair of scissors? (a) class 3 (b) class 2 (c) class 1
  28. 28.⚖️ Which class of lever is a bottle opener? (a) class 1 (b) class 3 (c) class 2
  29. 29.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 0 cm and the load at 10 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  30. 30.⚖️ Going along a lever from one end to the other, the order is: load, fulcrum, effort. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  31. 31.True or false: a fishing rod is a class 3 lever (effort in the middle). (a) False (b) True
  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 40 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  33. 33.⚖️ 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 1 (b) class 3 (c) class 2
  34. 34.True or false: a pair of tweezers is a class 1 lever (fulcrum in the middle). (a) True (b) False
  35. 35.⚖️ Which class of lever is a beam balance? (a) class 1 (b) class 2 (c) class 3
  36. 36.⚖️ Which class of lever is your forearm? (a) class 3 (b) class 2 (c) class 1
  37. 37.True or false: a nutcracker is a class 1 lever (fulcrum in the middle). (a) False (b) True
  38. 38.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 40 cm and the load at 70 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  39. 39.True or false: a seesaw is a class 2 lever (load in the middle). (a) False (b) True
  40. 40.⚖️ 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

Answer key

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

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