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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 880 · 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.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 2 (b) class 3 (c) class 1
  2. 2.⚖️ In a class 3 lever, what is in the middle? (a) the load (b) the pulley (c) the fulcrum (d) the effort
  3. 3.True or false: your forearm is a class 2 lever (load in the middle). (a) True (b) False
  4. 4.⚖️ Which class of lever is a pair of scissors? (a) class 2 (b) class 1 (c) class 3
  5. 5.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) far from the fulcrum (b) on the fulcrum (c) on the rock (d) near the fulcrum
  6. 6.⚖️ Which class of lever is a broom when sweeping? (a) class 3 (b) class 2 (c) class 1
  7. 7.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 60 cm and the load at 80 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  8. 8.True or false: a wheelbarrow is a class 1 lever (fulcrum in the middle). (a) True (b) False
  9. 9.⚖️ Which class of lever is a crowbar? (a) class 1 (b) class 3 (c) class 2
  10. 10.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) False (b) True
  11. 11.⚖️ Which class of lever is a wheelbarrow? (a) class 2 (b) class 3 (c) class 1
  12. 12.⚖️ Which class of lever is a lemon squeezer? (a) class 1 (b) class 2 (c) class 3
  13. 13.⚖️ Going along a lever from one end to the other, the order is: effort, load, fulcrum. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  14. 14.⚖️ What is the pivot point of a lever called? (a) the load (b) the effort (c) the fulcrum (d) the axle
  15. 15.⚖️ Going along a lever from one end to the other, the order is: load, fulcrum, effort. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  16. 16.⚖️ Along a straight bar, measured from the left end, the effort is at 40 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
  17. 17.⚖️ 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 1 (b) class 2 (c) class 3
  18. 18.⚖️ 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
  19. 19.⚖️ Which class of lever is your forearm? (a) class 1 (b) class 2 (c) class 3
  20. 20.⚖️ Which class of lever is a pair of tweezers? (a) class 1 (b) class 2 (c) class 3
  21. 21.True or false: a broom when sweeping is a class 3 lever (effort in the middle). (a) False (b) True
  22. 22.⚖️ In a class 1 lever, what is in the middle? (a) the fulcrum (b) nothing (c) the load (d) the effort
  23. 23.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 30 cm and the load at 10 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  24. 24.⚖️ Which class of lever is a beam balance? (a) class 3 (b) class 1 (c) class 2
  25. 25.True or false: a pair of tweezers is a class 3 lever (effort in the middle). (a) True (b) False
  26. 26.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 10 cm and the load at 0 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  27. 27.⚖️ 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 3 (c) class 2
  28. 28.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 30 cm and the load at 20 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  29. 29.⚖️ Which class of lever is a pair of pliers? (a) class 3 (b) class 2 (c) class 1
  30. 30.⚖️ Which class of lever is a seesaw? (a) class 2 (b) class 1 (c) class 3
  31. 31.⚖️ Along a straight bar, measured from the left end, the effort is at 0 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
  32. 32.⚖️ Which class of lever is a nutcracker? (a) class 2 (b) class 1 (c) class 3
  33. 33.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 20 cm and the load at 70 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  34. 34.⚖️ Which class of lever is a fishing rod? (a) class 1 (b) class 2 (c) class 3
  35. 35.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 10 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  36. 36.True or false: a seesaw is a class 2 lever (load in the middle). (a) True (b) False
  37. 37.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 40 cm and the load at 0 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  38. 38.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 80 cm and the load at 70 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  39. 39.⚖️ Along a straight bar, measured from the left end, the effort is at 0 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
  40. 40.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 60 cm and the load at 10 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2

Answer key

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

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