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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 263 · 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 kitchen tongs 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 0 cm, the fulcrum at 40 cm and the load at 10 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  3. 3.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 20 cm and the load at 0 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  4. 4.True or false: a nutcracker is a class 3 lever (effort in the middle). (a) True (b) False
  5. 5.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 30 cm and the load at 0 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  6. 6.⚖️ In a class 2 lever, what is in the middle? (a) the fulcrum (b) the axle (c) the effort (d) the load
  7. 7.True or false: a broom when sweeping is a class 1 lever (fulcrum in the middle). (a) False (b) True
  8. 8.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 1 (b) class 2 (c) class 3
  9. 9.True or false: a bottle opener is a class 2 lever (load in the middle). (a) False (b) True
  10. 10.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 30 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  11. 11.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 30 cm and the load at 70 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  12. 12.⚖️ What is the pivot point of a lever called? (a) the load (b) the effort (c) the axle (d) the fulcrum
  13. 13.⚖️ Which class of lever is a wheelbarrow? (a) class 2 (b) class 1 (c) class 3
  14. 14.⚖️ 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
  15. 15.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 110 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  16. 16.⚖️ Which class of lever is a pair of pliers? (a) class 3 (b) class 1 (c) class 2
  17. 17.⚖️ In a class 1 lever, what is in the middle? (a) the load (b) nothing (c) the effort (d) the fulcrum
  18. 18.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 60 cm and the load at 70 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  19. 19.⚖️ Going along a lever from one end to the other, the order is: load, fulcrum, effort. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  20. 20.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 40 cm and the load at 10 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  21. 21.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) near the fulcrum (b) on the fulcrum (c) far from the fulcrum (d) on the rock
  22. 22.⚖️ 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 2 (b) class 1 (c) class 3
  23. 23.⚖️ In a class 3 lever, what is in the middle? (a) the load (b) the effort (c) the fulcrum (d) the pulley
  24. 24.⚖️ Which class of lever is a crowbar? (a) class 1 (b) class 3 (c) class 2
  25. 25.True or false: a lemon squeezer is a class 1 lever (fulcrum in the middle). (a) True (b) False
  26. 26.⚖️ Which class of lever is your forearm? (a) class 1 (b) class 2 (c) class 3
  27. 27.⚖️ Which class of lever is a fishing rod? (a) class 1 (b) class 2 (c) class 3
  28. 28.⚖️ Which class of lever is a lemon squeezer? (a) class 1 (b) class 2 (c) class 3
  29. 29.⚖️ Which class of lever is a broom when sweeping? (a) class 2 (b) class 3 (c) class 1
  30. 30.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) False (b) True
  31. 31.True or false: a lemon squeezer is a class 2 lever (load in the middle). (a) False (b) True
  32. 32.True or false: a broom when sweeping is a class 3 lever (effort in the middle). (a) False (b) True
  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 10 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  34. 34.⚖️ Which class of lever is a nutcracker? (a) class 2 (b) class 1 (c) class 3
  35. 35.True or false: a nutcracker is a class 2 lever (load in the middle). (a) False (b) True
  36. 36.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 90 cm and the load at 10 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  37. 37.True or false: a broom when sweeping is a class 2 lever (load in the middle). (a) False (b) True
  38. 38.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 50 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  39. 39.⚖️ 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
  40. 40.⚖️ 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 3 (c) class 2

Answer key

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

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