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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 139 · 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 30 cm, the fulcrum at 60 cm and the load at 90 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  2. 2.True or false: a nutcracker is a class 1 lever (fulcrum in the middle). (a) True (b) False
  3. 3.⚖️ What is the pivot point of a lever called? (a) the effort (b) the load (c) the fulcrum (d) the axle
  4. 4.⚖️ Which class of lever is a bottle opener? (a) class 2 (b) class 1 (c) class 3
  5. 5.⚖️ Which class of lever is a lemon squeezer? (a) class 3 (b) class 1 (c) class 2
  6. 6.True or false: a wheelbarrow is a class 2 lever (load in the middle). (a) True (b) False
  7. 7.⚖️ 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
  8. 8.⚖️ In a class 3 lever, what is in the middle? (a) the load (b) the effort (c) the pulley (d) the fulcrum
  9. 9.True or false: a seesaw is a class 3 lever (effort in the middle). (a) True (b) False
  10. 10.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 10 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  11. 11.⚖️ 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
  12. 12.True or false: a lemon squeezer is a class 3 lever (effort in the middle). (a) True (b) False
  13. 13.⚖️ Which class of lever is a pair of pliers? (a) class 1 (b) class 3 (c) class 2
  14. 14.⚖️ 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 1 (c) class 3
  15. 15.⚖️ Which class of lever is a beam balance? (a) class 3 (b) class 2 (c) class 1
  16. 16.⚖️ 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 1 (c) class 3
  17. 17.⚖️ Which class of lever is your forearm? (a) class 1 (b) class 3 (c) class 2
  18. 18.True or false: a pair of tweezers is a class 1 lever (fulcrum in the middle). (a) False (b) True
  19. 19.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) True (b) False
  20. 20.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 10 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  21. 21.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 10 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  22. 22.⚖️ Along a straight bar, measured from the left end, the effort is at 30 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
  23. 23.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 20 cm and the load at 0 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  24. 24.True or false: a bottle opener is a class 3 lever (effort in the middle). (a) False (b) True
  25. 25.⚖️ Which class of lever is a nutcracker? (a) class 3 (b) class 1 (c) class 2
  26. 26.True or false: a wheelbarrow is a class 3 lever (effort in the middle). (a) False (b) True
  27. 27.True or false: a pair of scissors is a class 3 lever (effort in the middle). (a) True (b) False
  28. 28.True or false: a broom when sweeping is a class 3 lever (effort in the middle). (a) False (b) True
  29. 29.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 40 cm and the load at 10 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  30. 30.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 20 cm and the load at 40 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  31. 31.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 60 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  32. 32.True or false: a pair of scissors is a class 2 lever (load in the middle). (a) True (b) False
  33. 33.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 40 cm and the load at 20 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  34. 34.⚖️ Which class of lever is a crowbar? (a) class 3 (b) class 1 (c) class 2
  35. 35.True or false: a beam balance is a class 2 lever (load in the middle). (a) True (b) False
  36. 36.True or false: a crowbar is a class 1 lever (fulcrum in the middle). (a) True (b) False
  37. 37.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 0 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  38. 38.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 20 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  39. 39.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 20 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  40. 40.⚖️ Which class of lever is a pair of scissors? (a) class 2 (b) class 1 (c) class 3

Answer key

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

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