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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 930 · 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 pliers is a class 1 lever (fulcrum in the middle). (a) True (b) False
  2. 2.⚖️ Which class of lever is a crowbar? (a) class 2 (b) class 3 (c) class 1
  3. 3.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 1 (b) class 3 (c) class 2
  4. 4.True or false: a beam balance is a class 3 lever (effort in the middle). (a) True (b) False
  5. 5.⚖️ Which class of lever is your forearm? (a) class 1 (b) class 2 (c) class 3
  6. 6.⚖️ Which class of lever is a nutcracker? (a) class 2 (b) class 1 (c) class 3
  7. 7.⚖️ 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
  8. 8.True or false: a bottle opener is a class 2 lever (load in the middle). (a) False (b) True
  9. 9.⚖️ Which class of lever is a fishing rod? (a) class 3 (b) class 2 (c) class 1
  10. 10.⚖️ In a class 1 lever, what is in the middle? (a) the fulcrum (b) the effort (c) nothing (d) the load
  11. 11.⚖️ Which class of lever is a pair of scissors? (a) class 2 (b) class 1 (c) class 3
  12. 12.⚖️ Which class of lever is a wheelbarrow? (a) class 2 (b) class 3 (c) class 1
  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.⚖️ Which class of lever is a pair of pliers? (a) class 3 (b) class 1 (c) class 2
  15. 15.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the fulcrum (b) on the rock (c) near the fulcrum (d) far from the fulcrum
  16. 16.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 50 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 lemon squeezer? (a) class 1 (b) class 3 (c) class 2
  18. 18.⚖️ 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
  19. 19.True or false: a pair of tweezers is a class 1 lever (fulcrum in the middle). (a) True (b) False
  20. 20.⚖️ What is the pivot point of a lever called? (a) the axle (b) the fulcrum (c) the effort (d) the load
  21. 21.⚖️ Which class of lever is a broom when sweeping? (a) class 2 (b) class 3 (c) class 1
  22. 22.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 50 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  23. 23.True or false: a pair of kitchen tongs is a class 3 lever (effort in the middle). (a) True (b) False
  24. 24.True or false: a pair of tweezers is a class 3 lever (effort in the middle). (a) False (b) True
  25. 25.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 30 cm and the load at 60 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  26. 26.True or false: a pair of scissors is a class 1 lever (fulcrum in the middle). (a) False (b) True
  27. 27.True or false: a crowbar is a class 2 lever (load in the middle). (a) True (b) False
  28. 28.True or false: a pair of pliers is a class 2 lever (load in the middle). (a) True (b) False
  29. 29.⚖️ In a class 3 lever, what is in the middle? (a) the effort (b) the fulcrum (c) the load (d) the pulley
  30. 30.⚖️ Along a straight bar, measured from the left end, the effort is at 20 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
  31. 31.⚖️ 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
  32. 32.True or false: a fishing rod is a class 1 lever (fulcrum in the middle). (a) True (b) False
  33. 33.⚖️ 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 1 (c) class 2
  34. 34.⚖️ 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 1 (b) class 3 (c) class 2
  35. 35.⚖️ Which class of lever is a bottle opener? (a) class 3 (b) class 2 (c) class 1
  36. 36.⚖️ Which class of lever is a seesaw? (a) class 2 (b) class 1 (c) class 3
  37. 37.⚖️ In a class 2 lever, what is in the middle? (a) the fulcrum (b) the load (c) the axle (d) the effort
  38. 38.⚖️ Along a straight bar, measured from the left end, the effort is at 10 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
  39. 39.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 70 cm and the load at 60 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  40. 40.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 70 cm and the load at 0 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2

Answer key

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

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