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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 875 · 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 80 cm, the fulcrum at 40 cm and the load at 0 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  2. 2.⚖️ 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
  3. 3.⚖️ Which class of lever is a pair of scissors? (a) class 3 (b) class 2 (c) class 1
  4. 4.⚖️ In a class 2 lever, what is in the middle? (a) the fulcrum (b) the axle (c) the load (d) the effort
  5. 5.⚖️ In a class 3 lever, what is in the middle? (a) the effort (b) the load (c) the pulley (d) the fulcrum
  6. 6.True or false: a crowbar is a class 2 lever (load in the middle). (a) True (b) False
  7. 7.⚖️ Which class of lever is a crowbar? (a) class 1 (b) class 3 (c) class 2
  8. 8.⚖️ 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 2 (c) class 3
  9. 9.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) near the fulcrum (b) on the rock (c) on the fulcrum (d) far from the fulcrum
  10. 10.⚖️ Which class of lever is a fishing rod? (a) class 1 (b) class 3 (c) class 2
  11. 11.⚖️ Which class of lever is a lemon squeezer? (a) class 2 (b) class 1 (c) class 3
  12. 12.⚖️ 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 3 (c) class 1
  13. 13.True or false: a broom when sweeping is a class 2 lever (load in the middle). (a) True (b) False
  14. 14.⚖️ In a class 1 lever, what is in the middle? (a) nothing (b) the effort (c) the load (d) the fulcrum
  15. 15.⚖️ 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 3 (b) class 2 (c) class 1
  16. 16.True or false: a pair of kitchen tongs is a class 3 lever (effort in the middle). (a) False (b) True
  17. 17.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 70 cm and the load at 60 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  18. 18.True or false: a nutcracker is a class 1 lever (fulcrum in the middle). (a) True (b) False
  19. 19.⚖️ What is the pivot point of a lever called? (a) the effort (b) the fulcrum (c) the load (d) the axle
  20. 20.⚖️ Which class of lever is a broom when sweeping? (a) class 2 (b) class 1 (c) class 3
  21. 21.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 60 cm and the load at 50 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  22. 22.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 40 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  23. 23.⚖️ Which class of lever is a pair of pliers? (a) class 2 (b) class 3 (c) class 1
  24. 24.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) False (b) True
  25. 25.True or false: a seesaw is a class 1 lever (fulcrum in the middle). (a) True (b) False
  26. 26.⚖️ 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 3 (b) class 2 (c) class 1
  27. 27.⚖️ Along a straight bar, measured from the left end, the effort is at 90 cm, the fulcrum at 30 cm and the load at 50 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  28. 28.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 50 cm and the load at 60 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  29. 29.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 40 cm and the load at 0 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  30. 30.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 40 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  31. 31.True or false: your forearm is a class 3 lever (effort in the middle). (a) True (b) False
  32. 32.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 30 cm and the load at 50 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  33. 33.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 90 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  34. 34.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 10 cm and the load at 20 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  35. 35.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 80 cm and the load at 50 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  36. 36.⚖️ Which class of lever is a wheelbarrow? (a) class 3 (b) class 1 (c) class 2
  37. 37.⚖️ 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
  38. 38.True or false: a pair of tweezers is a class 3 lever (effort in the middle). (a) False (b) True
  39. 39.⚖️ Which class of lever is a bottle opener? (a) class 2 (b) class 3 (c) class 1
  40. 40.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 70 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1

Answer key

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

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