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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 301 · 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 60 cm, the fulcrum at 20 cm and the load at 50 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  2. 2.⚖️ 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
  3. 3.⚖️ Which class of lever is a broom when sweeping? (a) class 3 (b) class 2 (c) class 1
  4. 4.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 2 (b) class 1 (c) class 3
  5. 5.⚖️ Which class of lever is a crowbar? (a) class 2 (b) class 3 (c) class 1
  6. 6.⚖️ Which class of lever is a pair of tweezers? (a) class 3 (b) class 1 (c) class 2
  7. 7.⚖️ What is the pivot point of a lever called? (a) the axle (b) the fulcrum (c) the effort (d) the load
  8. 8.⚖️ In a class 1 lever, what is in the middle? (a) the effort (b) nothing (c) the fulcrum (d) the load
  9. 9.⚖️ 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
  10. 10.True or false: a seesaw is a class 3 lever (effort in the middle). (a) True (b) False
  11. 11.⚖️ Going along a lever from one end to the other, the order is: fulcrum, load, effort. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  12. 12.⚖️ Which class of lever is a seesaw? (a) class 2 (b) class 1 (c) class 3
  13. 13.True or false: a lemon squeezer is a class 1 lever (fulcrum in the middle). (a) True (b) False
  14. 14.⚖️ In a class 2 lever, what is in the middle? (a) the axle (b) the load (c) the effort (d) the fulcrum
  15. 15.True or false: a wheelbarrow is a class 1 lever (fulcrum in the middle). (a) False (b) True
  16. 16.⚖️ Which class of lever is a wheelbarrow? (a) class 1 (b) class 2 (c) class 3
  17. 17.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 10 cm and the load at 40 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  18. 18.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 30 cm and the load at 10 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  19. 19.True or false: a pair of scissors is a class 2 lever (load in the middle). (a) False (b) True
  20. 20.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 40 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  21. 21.⚖️ Which class of lever is your forearm? (a) class 1 (b) class 2 (c) class 3
  22. 22.⚖️ 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 1 (c) class 2
  23. 23.⚖️ In a class 3 lever, what is in the middle? (a) the pulley (b) the effort (c) the fulcrum (d) the load
  24. 24.True or false: a pair of pliers is a class 2 lever (load in the middle). (a) False (b) True
  25. 25.True or false: a nutcracker is a class 1 lever (fulcrum in the middle). (a) True (b) False
  26. 26.True or false: a pair of tweezers is a class 1 lever (fulcrum in the middle). (a) True (b) False
  27. 27.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 0 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  28. 28.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 50 cm and the load at 20 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  29. 29.True or false: a pair of pliers is a class 3 lever (effort in the middle). (a) True (b) False
  30. 30.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 30 cm and the load at 50 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  31. 31.True or false: a lemon squeezer 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 40 cm, the fulcrum at 30 cm and the load at 70 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  33. 33.True or false: a seesaw is a class 2 lever (load in the middle). (a) True (b) False
  34. 34.⚖️ Which class of lever is a pair of scissors? (a) class 3 (b) class 1 (c) class 2
  35. 35.True or false: a pair of kitchen tongs is a class 1 lever (fulcrum in the middle). (a) False (b) True
  36. 36.⚖️ 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 1 (c) class 2
  37. 37.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the rock (b) near the fulcrum (c) far from the fulcrum (d) on the fulcrum
  38. 38.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 30 cm and the load at 50 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  39. 39.⚖️ Which class of lever is a lemon squeezer? (a) class 2 (b) class 1 (c) class 3
  40. 40.True or false: a crowbar is a class 2 lever (load in the middle). (a) True (b) False

Answer key

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

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