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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 566 · 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 50 cm and the load at 90 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  2. 2.⚖️ 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
  3. 3.True or false: a nutcracker is a class 2 lever (load in the middle). (a) False (b) True
  4. 4.⚖️ 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 3 (c) class 2
  5. 5.⚖️ Going along a lever from one end to the other, the order is: load, fulcrum, effort. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  6. 6.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 80 cm and the load at 40 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  7. 7.True or false: a bottle opener is a class 2 lever (load in the middle). (a) True (b) False
  8. 8.⚖️ Along a straight bar, measured from the left end, the effort is at 20 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
  9. 9.⚖️ Which class of lever is a crowbar? (a) class 3 (b) class 1 (c) class 2
  10. 10.True or false: a crowbar is a class 2 lever (load in the middle). (a) True (b) False
  11. 11.True or false: a wheelbarrow is a class 3 lever (effort in the middle). (a) True (b) False
  12. 12.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 30 cm and the load at 10 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  13. 13.⚖️ In a class 1 lever, what is in the middle? (a) nothing (b) the effort (c) the fulcrum (d) the load
  14. 14.⚖️ Which class of lever is a pair of pliers? (a) class 3 (b) class 1 (c) class 2
  15. 15.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 40 cm and the load at 50 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  16. 16.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 20 cm and the load at 10 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  17. 17.⚖️ In a class 3 lever, what is in the middle? (a) the effort (b) the pulley (c) the load (d) the fulcrum
  18. 18.⚖️ Which class of lever is a nutcracker? (a) class 1 (b) class 3 (c) class 2
  19. 19.True or false: your forearm is a class 1 lever (fulcrum in the middle). (a) True (b) False
  20. 20.True or false: a seesaw is a class 2 lever (load in the middle). (a) False (b) True
  21. 21.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 40 cm and the load at 0 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  22. 22.⚖️ Which class of lever is a fishing rod? (a) class 2 (b) class 3 (c) class 1
  23. 23.⚖️ Which class of lever is a wheelbarrow? (a) class 1 (b) class 3 (c) class 2
  24. 24.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 30 cm and the load at 90 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  25. 25.True or false: a pair of kitchen tongs is a class 2 lever (load in the middle). (a) True (b) False
  26. 26.⚖️ What is the pivot point of a lever called? (a) the effort (b) the fulcrum (c) the axle (d) the load
  27. 27.⚖️ In a class 2 lever, what is in the middle? (a) the axle (b) the effort (c) the load (d) the fulcrum
  28. 28.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 50 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  29. 29.True or false: a crowbar is a class 3 lever (effort in the middle). (a) True (b) False
  30. 30.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) far from the fulcrum (b) near the fulcrum (c) on the rock (d) on the fulcrum
  31. 31.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 60 cm and the load at 80 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  32. 32.True or false: a pair of tweezers is a class 2 lever (load in the middle). (a) False (b) True
  33. 33.⚖️ 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 3 (c) class 1
  34. 34.⚖️ Which class of lever is a pair of scissors? (a) class 2 (b) class 1 (c) class 3
  35. 35.True or false: a pair of kitchen tongs is a class 3 lever (effort in the middle). (a) False (b) True
  36. 36.True or false: a pair of tweezers is a class 1 lever (fulcrum in the middle). (a) True (b) False
  37. 37.True or false: a beam balance is a class 1 lever (fulcrum in the middle). (a) False (b) True
  38. 38.True or false: a pair of pliers is a class 2 lever (load in the middle). (a) False (b) True
  39. 39.⚖️ Which class of lever is a bottle opener? (a) class 1 (b) class 2 (c) class 3
  40. 40.⚖️ 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

Answer key

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

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