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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 401 · 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.⚖️ In a class 1 lever, what is in the middle? (a) the fulcrum (b) the load (c) the effort (d) nothing
  2. 2.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 60 cm and the load at 20 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  3. 3.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 60 cm and the load at 80 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  4. 4.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 30 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  5. 5.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 50 cm and the load at 10 cm. 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 60 cm, the fulcrum at 30 cm and the load at 80 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  7. 7.True or false: a seesaw 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 70 cm, the fulcrum at 30 cm and the load at 80 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  9. 9.⚖️ Which class of lever is a fishing rod? (a) class 1 (b) class 2 (c) class 3
  10. 10.⚖️ Which class of lever is a pair of tweezers? (a) class 2 (b) class 1 (c) class 3
  11. 11.⚖️ Which class of lever is a lemon squeezer? (a) class 3 (b) class 2 (c) class 1
  12. 12.True or false: a wheelbarrow is a class 1 lever (fulcrum in the middle). (a) True (b) False
  13. 13.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) False (b) True
  14. 14.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 70 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  15. 15.⚖️ Which class of lever is your forearm? (a) class 1 (b) class 2 (c) class 3
  16. 16.⚖️ Which class of lever is a seesaw? (a) class 1 (b) class 3 (c) class 2
  17. 17.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) near the fulcrum (b) on the fulcrum (c) far from the fulcrum (d) on the rock
  18. 18.⚖️ What is the pivot point of a lever called? (a) the axle (b) the load (c) the effort (d) the fulcrum
  19. 19.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 100 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  20. 20.⚖️ Which class of lever is a pair of scissors? (a) class 1 (b) class 3 (c) class 2
  21. 21.True or false: a crowbar is a class 1 lever (fulcrum in the middle). (a) False (b) True
  22. 22.⚖️ 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 2 (c) class 3
  23. 23.True or false: a pair of tweezers is a class 1 lever (fulcrum in the middle). (a) True (b) False
  24. 24.True or false: a pair of kitchen tongs is a class 1 lever (fulcrum in the middle). (a) True (b) False
  25. 25.True or false: a wheelbarrow is a class 2 lever (load in the middle). (a) False (b) True
  26. 26.True or false: a lemon squeezer is a class 2 lever (load in the middle). (a) False (b) True
  27. 27.True or false: a crowbar is a class 3 lever (effort in the middle). (a) True (b) False
  28. 28.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 2 (b) class 3 (c) class 1
  29. 29.True or false: a seesaw is a class 1 lever (fulcrum in the middle). (a) True (b) False
  30. 30.⚖️ In a class 2 lever, what is in the middle? (a) the load (b) the fulcrum (c) the axle (d) the effort
  31. 31.⚖️ Along a straight bar, measured from the left end, the effort is at 90 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
  32. 32.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 60 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  33. 33.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 70 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  34. 34.⚖️ Which class of lever is a bottle opener? (a) class 1 (b) class 3 (c) class 2
  35. 35.⚖️ Which class of lever is a crowbar? (a) class 1 (b) class 2 (c) class 3
  36. 36.⚖️ Which class of lever is a nutcracker? (a) class 1 (b) class 2 (c) class 3
  37. 37.⚖️ Which class of lever is a beam balance? (a) class 3 (b) class 1 (c) class 2
  38. 38.⚖️ Going along a lever from one end to the other, the order is: effort, load, fulcrum. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  39. 39.⚖️ In a class 3 lever, what is in the middle? (a) the pulley (b) the effort (c) the load (d) the fulcrum
  40. 40.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 40 cm and the load at 70 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2

Answer key

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

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