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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 543 · 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 40 cm, the fulcrum at 70 cm and the load at 10 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  2. 2.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 0 cm and the load at 20 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  3. 3.⚖️ In a class 1 lever, what is in the middle? (a) the load (b) nothing (c) the effort (d) the fulcrum
  4. 4.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 40 cm and the load at 80 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  5. 5.True or false: a lemon squeezer is a class 2 lever (load in the middle). (a) True (b) False
  6. 6.⚖️ 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
  7. 7.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the fulcrum (b) far from the fulcrum (c) on the rock (d) near the fulcrum
  8. 8.⚖️ What is the pivot point of a lever called? (a) the axle (b) the load (c) the fulcrum (d) the effort
  9. 9.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 30 cm and the load at 40 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  10. 10.⚖️ Which class of lever is a bottle opener? (a) class 1 (b) class 3 (c) class 2
  11. 11.True or false: a lemon squeezer is a class 1 lever (fulcrum in the middle). (a) False (b) True
  12. 12.⚖️ In a class 3 lever, what is in the middle? (a) the fulcrum (b) the effort (c) the load (d) the pulley
  13. 13.⚖️ Which class of lever is a wheelbarrow? (a) class 3 (b) class 1 (c) class 2
  14. 14.⚖️ In a class 2 lever, what is in the middle? (a) the fulcrum (b) the axle (c) the load (d) the effort
  15. 15.True or false: a lemon squeezer is a class 3 lever (effort in the middle). (a) False (b) True
  16. 16.⚖️ Along a straight bar, measured from the left end, the effort is at 10 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
  17. 17.True or false: a crowbar is a class 3 lever (effort in the middle). (a) False (b) True
  18. 18.⚖️ Which class of lever is a pair of pliers? (a) class 3 (b) class 1 (c) class 2
  19. 19.True or false: a pair of kitchen tongs is a class 3 lever (effort in the middle). (a) False (b) True
  20. 20.⚖️ Which class of lever is a fishing rod? (a) class 2 (b) class 1 (c) class 3
  21. 21.True or false: a broom when sweeping is a class 3 lever (effort in the middle). (a) True (b) False
  22. 22.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 50 cm and the load at 20 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  23. 23.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 30 cm and the load at 60 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  24. 24.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 30 cm and the load at 0 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  25. 25.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 40 cm and the load at 0 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  26. 26.⚖️ Which class of lever is a seesaw? (a) class 3 (b) class 2 (c) class 1
  27. 27.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 70 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 50 cm, the fulcrum at 10 cm and the load at 80 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  29. 29.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 50 cm and the load at 40 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  30. 30.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 100 cm and the load at 60 cm. 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: effort, load, fulcrum. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  32. 32.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 80 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  33. 33.True or false: a broom when sweeping is a class 2 lever (load in the middle). (a) False (b) True
  34. 34.True or false: a nutcracker is a class 3 lever (effort in the middle). (a) True (b) False
  35. 35.⚖️ 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 2 (c) class 3
  36. 36.⚖️ Going along a lever from one end to the other, the order is: fulcrum, load, effort. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  37. 37.True or false: a bottle opener is a class 1 lever (fulcrum in the middle). (a) False (b) True
  38. 38.True or false: a wheelbarrow is a class 1 lever (fulcrum in the middle). (a) True (b) False
  39. 39.⚖️ Which class of lever is your forearm? (a) class 2 (b) class 3 (c) class 1
  40. 40.True or false: a pair of kitchen tongs is a class 1 lever (fulcrum in the middle). (a) False (b) True

Answer key

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

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