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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 933 · 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 30 cm, the fulcrum at 10 cm and the load at 60 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  2. 2.⚖️ In a class 1 lever, what is in the middle? (a) the fulcrum (b) the effort (c) nothing (d) the load
  3. 3.⚖️ Which class of lever is your forearm? (a) class 2 (b) class 1 (c) class 3
  4. 4.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 40 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  5. 5.⚖️ 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 3 (b) class 2 (c) class 1
  6. 6.⚖️ 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 1 (c) class 2
  7. 7.⚖️ 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 3 (b) class 2 (c) class 1
  8. 8.True or false: a pair of tweezers is a class 2 lever (load in the middle). (a) True (b) False
  9. 9.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 10 cm and the load at 70 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  10. 10.⚖️ Which class of lever is a fishing rod? (a) class 2 (b) class 1 (c) class 3
  11. 11.⚖️ 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
  12. 12.⚖️ Which class of lever is a wheelbarrow? (a) class 1 (b) class 3 (c) class 2
  13. 13.True or false: a bottle opener is a class 2 lever (load in the middle). (a) False (b) True
  14. 14.⚖️ In a class 3 lever, what is in the middle? (a) the fulcrum (b) the load (c) the effort (d) the pulley
  15. 15.⚖️ In a class 2 lever, what is in the middle? (a) the axle (b) the fulcrum (c) the load (d) the effort
  16. 16.⚖️ Going along a lever from one end to the other, the order is: effort, fulcrum, load. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  17. 17.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 70 cm and the load at 80 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  18. 18.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 2 (b) class 1 (c) class 3
  19. 19.True or false: a fishing rod is a class 3 lever (effort in the middle). (a) True (b) False
  20. 20.True or false: a seesaw is a class 3 lever (effort in the middle). (a) True (b) False
  21. 21.⚖️ Along a straight bar, measured from the left end, the effort is at 100 cm, the fulcrum at 60 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  22. 22.⚖️ 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
  23. 23.True or false: a crowbar is a class 2 lever (load in the middle). (a) True (b) False
  24. 24.⚖️ 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 1 (b) class 2 (c) class 3
  25. 25.True or false: a pair of scissors is a class 3 lever (effort in the middle). (a) True (b) False
  26. 26.True or false: a nutcracker is a class 1 lever (fulcrum in the middle). (a) True (b) False
  27. 27.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) near the fulcrum (b) on the rock (c) far from the fulcrum (d) on the fulcrum
  28. 28.⚖️ Which class of lever is a seesaw? (a) class 1 (b) class 2 (c) class 3
  29. 29.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) True (b) False
  30. 30.True or false: a pair of scissors is a class 2 lever (load in the middle). (a) True (b) False
  31. 31.⚖️ What is the pivot point of a lever called? (a) the effort (b) the axle (c) the load (d) the fulcrum
  32. 32.⚖️ Which class of lever is a crowbar? (a) class 3 (b) class 2 (c) class 1
  33. 33.True or false: a broom when sweeping is a class 2 lever (load in the middle). (a) True (b) False
  34. 34.⚖️ Which class of lever is a beam balance? (a) class 1 (b) class 3 (c) class 2
  35. 35.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 70 cm and the load at 20 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  36. 36.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 0 cm and the load at 20 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  37. 37.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 10 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  38. 38.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 10 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  39. 39.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 50 cm and the load at 70 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  40. 40.True or false: a pair of pliers is a class 2 lever (load in the middle). (a) True (b) False

Answer key

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

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