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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 373 · 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 pair of tweezers is a class 2 lever (load in the middle). (a) True (b) False
  2. 2.⚖️ In a class 3 lever, what is in the middle? (a) the pulley (b) the load (c) the fulcrum (d) the effort
  3. 3.⚖️ Which class of lever is a pair of pliers? (a) class 3 (b) class 2 (c) class 1
  4. 4.True or false: a crowbar is a class 2 lever (load in the middle). (a) True (b) False
  5. 5.⚖️ Which class of lever is a seesaw? (a) class 3 (b) class 1 (c) class 2
  6. 6.⚖️ 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
  7. 7.⚖️ Which class of lever is a lemon squeezer? (a) class 1 (b) class 2 (c) class 3
  8. 8.⚖️ In a class 1 lever, what is in the middle? (a) nothing (b) the fulcrum (c) the effort (d) the load
  9. 9.⚖️ 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 2 (c) class 3
  10. 10.True or false: a pair of kitchen tongs is a class 3 lever (effort in the middle). (a) False (b) True
  11. 11.True or false: a fishing rod is a class 3 lever (effort in the middle). (a) False (b) True
  12. 12.⚖️ Which class of lever is a broom when sweeping? (a) class 2 (b) class 3 (c) class 1
  13. 13.True or false: a bottle opener is a class 2 lever (load in the middle). (a) False (b) True
  14. 14.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) True (b) False
  15. 15.⚖️ 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
  16. 16.⚖️ Along a straight bar, measured from the left end, the effort is at 10 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
  17. 17.⚖️ Which class of lever is a pair of tweezers? (a) class 3 (b) class 1 (c) class 2
  18. 18.True or false: a crowbar is a class 1 lever (fulcrum in the middle). (a) False (b) True
  19. 19.⚖️ 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
  20. 20.⚖️ 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 1 (c) class 3
  21. 21.True or false: a seesaw is a class 1 lever (fulcrum in the middle). (a) True (b) False
  22. 22.⚖️ 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
  23. 23.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 0 cm and the load at 60 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  24. 24.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 50 cm and the load at 20 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  25. 25.True or false: a bottle opener is a class 1 lever (fulcrum in the middle). (a) False (b) True
  26. 26.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 3 (b) class 1 (c) class 2
  27. 27.⚖️ 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
  28. 28.⚖️ Which class of lever is a bottle opener? (a) class 1 (b) class 3 (c) class 2
  29. 29.⚖️ What is the pivot point of a lever called? (a) the load (b) the fulcrum (c) the effort (d) the axle
  30. 30.True or false: a beam balance is a class 1 lever (fulcrum in the middle). (a) True (b) False
  31. 31.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 30 cm and the load at 70 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  32. 32.⚖️ Which class of lever is a crowbar? (a) class 2 (b) class 1 (c) class 3
  33. 33.⚖️ In a class 2 lever, what is in the middle? (a) the axle (b) the fulcrum (c) the effort (d) the load
  34. 34.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 20 cm and the load at 80 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  35. 35.True or false: a fishing rod is a class 2 lever (load in the middle). (a) True (b) False
  36. 36.⚖️ Which class of lever is your forearm? (a) class 1 (b) class 3 (c) class 2
  37. 37.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 50 cm and the load at 70 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  38. 38.⚖️ 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
  39. 39.⚖️ Which class of lever is a wheelbarrow? (a) class 1 (b) class 3 (c) class 2
  40. 40.⚖️ Along a straight bar, measured from the left end, the effort is at 30 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

Answer key

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

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