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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 609 · 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 broom when sweeping is a class 3 lever (effort in the middle). (a) True (b) False
  2. 2.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 30 cm and the load at 60 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  3. 3.⚖️ In a class 1 lever, what is in the middle? (a) the effort (b) nothing (c) the fulcrum (d) the load
  4. 4.True or false: a pair of scissors is a class 2 lever (load in the middle). (a) False (b) True
  5. 5.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) True (b) False
  6. 6.⚖️ 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
  7. 7.True or false: a pair of kitchen tongs is a class 3 lever (effort in the middle). (a) True (b) False
  8. 8.⚖️ Which class of lever is a pair of pliers? (a) class 1 (b) class 3 (c) class 2
  9. 9.⚖️ In a class 3 lever, what is in the middle? (a) the load (b) the effort (c) the pulley (d) the fulcrum
  10. 10.True or false: a pair of tweezers is a class 3 lever (effort in the middle). (a) False (b) True
  11. 11.⚖️ Which class of lever is a nutcracker? (a) class 3 (b) class 1 (c) class 2
  12. 12.⚖️ 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
  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 3 (b) class 2 (c) class 1
  14. 14.True or false: a pair of pliers is a class 3 lever (effort in the middle). (a) True (b) False
  15. 15.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 0 cm and the load at 70 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  16. 16.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 3 (b) class 1 (c) class 2
  17. 17.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 40 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  18. 18.True or false: a broom when sweeping is a class 2 lever (load in the middle). (a) True (b) False
  19. 19.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 20 cm and the load at 40 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  20. 20.⚖️ Which class of lever is a wheelbarrow? (a) class 3 (b) class 2 (c) class 1
  21. 21.True or false: a beam balance is a class 3 lever (effort in the middle). (a) False (b) True
  22. 22.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 60 cm and the load at 0 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  23. 23.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 10 cm and the load at 50 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  24. 24.⚖️ What is the pivot point of a lever called? (a) the axle (b) the fulcrum (c) the load (d) the effort
  25. 25.True or false: a fishing rod is a class 2 lever (load in the middle). (a) True (b) False
  26. 26.True or false: a crowbar is a class 3 lever (effort in the middle). (a) True (b) False
  27. 27.⚖️ 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 2 (c) class 3
  28. 28.⚖️ Which class of lever is a crowbar? (a) class 1 (b) class 2 (c) class 3
  29. 29.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 20 cm and the load at 10 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  30. 30.⚖️ Going along a lever from one end to the other, the order is: effort, load, fulcrum. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  31. 31.True or false: a lemon squeezer is a class 2 lever (load in the middle). (a) True (b) False
  32. 32.⚖️ Which class of lever is a bottle opener? (a) class 3 (b) class 2 (c) class 1
  33. 33.⚖️ Which class of lever is a fishing rod? (a) class 1 (b) class 2 (c) class 3
  34. 34.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 10 cm and the load at 60 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  35. 35.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) near the fulcrum (b) far from the fulcrum (c) on the fulcrum (d) on the rock
  36. 36.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 0 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  37. 37.⚖️ 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
  38. 38.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 30 cm and the load at 70 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  39. 39.⚖️ Which class of lever is your forearm? (a) class 1 (b) class 3 (c) class 2
  40. 40.⚖️ 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 1 (b) class 2 (c) class 3

Answer key

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

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