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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 350 · 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.⚖️ Which class of lever is a nutcracker? (a) class 3 (b) class 1 (c) class 2
  2. 2.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 20 cm and the load at 60 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  3. 3.⚖️ In a class 3 lever, what is in the middle? (a) the effort (b) the fulcrum (c) the load (d) the pulley
  4. 4.True or false: a bottle opener is a class 3 lever (effort in the middle). (a) True (b) False
  5. 5.True or false: a wheelbarrow is a class 1 lever (fulcrum in the middle). (a) True (b) False
  6. 6.⚖️ Which class of lever is a fishing rod? (a) class 1 (b) class 3 (c) class 2
  7. 7.True or false: a pair of kitchen tongs is a class 1 lever (fulcrum in the middle). (a) False (b) True
  8. 8.⚖️ Along a straight bar, measured from the left end, the effort is at 0 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
  9. 9.⚖️ 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
  10. 10.True or false: a pair of scissors is a class 1 lever (fulcrum in the middle). (a) False (b) True
  11. 11.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 80 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  12. 12.⚖️ Along a straight bar, measured from the left end, the effort is at 0 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
  13. 13.⚖️ 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 3 (c) class 1
  14. 14.⚖️ 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 1 (b) class 2 (c) class 3
  15. 15.True or false: a wheelbarrow is a class 3 lever (effort in the middle). (a) True (b) False
  16. 16.True or false: a fishing rod is a class 2 lever (load in the middle). (a) True (b) False
  17. 17.True or false: a wheelbarrow is a class 2 lever (load in the middle). (a) True (b) False
  18. 18.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 40 cm and the load at 0 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  19. 19.⚖️ Which class of lever is a pair of pliers? (a) class 3 (b) class 2 (c) class 1
  20. 20.True or false: a broom when sweeping is a class 3 lever (effort in the middle). (a) False (b) True
  21. 21.⚖️ In a class 2 lever, what is in the middle? (a) the fulcrum (b) the load (c) the axle (d) the effort
  22. 22.⚖️ Which class of lever is a beam balance? (a) class 2 (b) class 3 (c) class 1
  23. 23.⚖️ 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
  24. 24.True or false: a beam balance is a class 2 lever (load in the middle). (a) True (b) False
  25. 25.True or false: a seesaw is a class 1 lever (fulcrum in the middle). (a) True (b) False
  26. 26.⚖️ 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 2 (b) class 1 (c) class 3
  27. 27.⚖️ Going along a lever from one end to the other, the order is: load, effort, fulcrum. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  28. 28.True or false: a fishing rod is a class 1 lever (fulcrum in the middle). (a) True (b) False
  29. 29.⚖️ In a class 1 lever, what is in the middle? (a) nothing (b) the fulcrum (c) the effort (d) the load
  30. 30.True or false: a pair of scissors is a class 3 lever (effort in the middle). (a) False (b) True
  31. 31.True or false: a beam balance is a class 3 lever (effort in the middle). (a) False (b) True
  32. 32.⚖️ Which class of lever is a wheelbarrow? (a) class 3 (b) class 2 (c) class 1
  33. 33.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) True (b) False
  34. 34.True or false: a pair of kitchen tongs is a class 3 lever (effort in the middle). (a) False (b) True
  35. 35.True or false: a nutcracker is a class 1 lever (fulcrum in the middle). (a) True (b) False
  36. 36.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 0 cm and the load at 50 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  37. 37.⚖️ What is the pivot point of a lever called? (a) the axle (b) the load (c) the fulcrum (d) the effort
  38. 38.⚖️ Which class of lever is your forearm? (a) class 3 (b) class 2 (c) class 1
  39. 39.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the fulcrum (b) far from the fulcrum (c) near the fulcrum (d) on the rock
  40. 40.⚖️ Which class of lever is a pair of scissors? (a) class 3 (b) class 1 (c) class 2

Answer key

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

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