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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 46 · 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 crowbar is a class 2 lever (load in the middle). (a) False (b) True
  2. 2.⚖️ Which class of lever is a crowbar? (a) class 3 (b) class 1 (c) class 2
  3. 3.⚖️ Going along a lever from one end to the other, the order is: load, effort, fulcrum. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  4. 4.⚖️ 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 1 (c) class 2
  5. 5.⚖️ 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
  6. 6.True or false: a pair of pliers is a class 2 lever (load in the middle). (a) True (b) False
  7. 7.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 70 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  8. 8.True or false: a wheelbarrow is a class 2 lever (load in the middle). (a) False (b) True
  9. 9.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 20 cm and the load at 70 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  10. 10.⚖️ Along a straight bar, measured from the left end, the effort is at 30 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
  11. 11.True or false: a bottle opener is a class 2 lever (load in the middle). (a) False (b) True
  12. 12.⚖️ Which class of lever is a pair of pliers? (a) class 3 (b) class 2 (c) class 1
  13. 13.⚖️ Going along a lever from one end to the other, the order is: fulcrum, effort, load. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  14. 14.⚖️ Which class of lever is a seesaw? (a) class 3 (b) class 1 (c) class 2
  15. 15.⚖️ In a class 1 lever, what is in the middle? (a) the load (b) the effort (c) nothing (d) the fulcrum
  16. 16.⚖️ Going along a lever from one end to the other, the order is: effort, fulcrum, load. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  17. 17.True or false: a pair of tweezers is a class 1 lever (fulcrum in the middle). (a) True (b) False
  18. 18.True or false: your forearm is a class 2 lever (load in the middle). (a) True (b) False
  19. 19.⚖️ Which class of lever is a wheelbarrow? (a) class 1 (b) class 2 (c) class 3
  20. 20.⚖️ What is the pivot point of a lever called? (a) the load (b) the effort (c) the axle (d) the fulcrum
  21. 21.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) near the fulcrum (b) on the fulcrum (c) on the rock (d) far from the fulcrum
  22. 22.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 10 cm and the load at 0 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  23. 23.⚖️ Which class of lever is your forearm? (a) class 1 (b) class 2 (c) class 3
  24. 24.⚖️ Which class of lever is a pair of scissors? (a) class 3 (b) class 1 (c) class 2
  25. 25.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 10 cm and the load at 70 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  26. 26.⚖️ Which class of lever is a beam balance? (a) class 3 (b) class 2 (c) class 1
  27. 27.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 0 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  28. 28.⚖️ 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 3 (b) class 1 (c) class 2
  29. 29.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 1 (b) class 3 (c) class 2
  30. 30.⚖️ 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 2 (c) class 1
  31. 31.⚖️ 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 3 (c) class 1
  32. 32.True or false: a pair of scissors is a class 1 lever (fulcrum in the middle). (a) False (b) True
  33. 33.True or false: a crowbar is a class 1 lever (fulcrum in the middle). (a) False (b) True
  34. 34.⚖️ Which class of lever is a broom when sweeping? (a) class 3 (b) class 2 (c) class 1
  35. 35.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) True (b) False
  36. 36.⚖️ Which class of lever is a pair of tweezers? (a) class 2 (b) class 1 (c) class 3
  37. 37.⚖️ Which class of lever is a bottle opener? (a) class 2 (b) class 1 (c) class 3
  38. 38.True or false: a pair of tweezers is a class 3 lever (effort in the middle). (a) False (b) True
  39. 39.⚖️ Along a straight bar, measured from the left end, the effort is at 90 cm, the fulcrum at 30 cm and the load at 50 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  40. 40.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 20 cm and the load at 60 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3

Answer key

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

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