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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 199 · 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 3 lever, what is in the middle? (a) the fulcrum (b) the load (c) the pulley (d) the effort
  2. 2.⚖️ 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 1 (b) class 2 (c) class 3
  3. 3.⚖️ What is the pivot point of a lever called? (a) the axle (b) the effort (c) the load (d) the fulcrum
  4. 4.⚖️ In a class 2 lever, what is in the middle? (a) the load (b) the effort (c) the fulcrum (d) the axle
  5. 5.True or false: a beam balance is a class 1 lever (fulcrum in the middle). (a) False (b) True
  6. 6.⚖️ 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
  7. 7.⚖️ In a class 1 lever, what is in the middle? (a) the effort (b) nothing (c) the load (d) the fulcrum
  8. 8.⚖️ Which class of lever is a fishing rod? (a) class 3 (b) class 2 (c) class 1
  9. 9.⚖️ 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
  10. 10.⚖️ Which class of lever is a beam balance? (a) class 2 (b) class 1 (c) class 3
  11. 11.True or false: a crowbar is a class 2 lever (load in the middle). (a) False (b) True
  12. 12.True or false: your forearm is a class 2 lever (load in the middle). (a) True (b) False
  13. 13.⚖️ 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 2 (c) class 3
  14. 14.⚖️ Along a straight bar, measured from the left end, the effort is at 50 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
  15. 15.⚖️ Which class of lever is a broom when sweeping? (a) class 2 (b) class 3 (c) class 1
  16. 16.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 70 cm and the load at 50 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  17. 17.True or false: a nutcracker is a class 1 lever (fulcrum in the middle). (a) True (b) False
  18. 18.⚖️ 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 1 (b) class 2 (c) class 3
  19. 19.True or false: a beam balance is a class 2 lever (load in the middle). (a) False (b) True
  20. 20.⚖️ Which class of lever is a crowbar? (a) class 3 (b) class 1 (c) class 2
  21. 21.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 20 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  22. 22.True or false: a seesaw is a class 1 lever (fulcrum in the middle). (a) True (b) False
  23. 23.⚖️ Which class of lever is a bottle opener? (a) class 3 (b) class 1 (c) class 2
  24. 24.⚖️ Along a straight bar, measured from the left end, the effort is at 60 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
  25. 25.⚖️ 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
  26. 26.⚖️ Which class of lever is a wheelbarrow? (a) class 3 (b) class 1 (c) class 2
  27. 27.⚖️ 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 1 (b) class 3 (c) class 2
  28. 28.⚖️ Which class of lever is your forearm? (a) class 1 (b) class 2 (c) class 3
  29. 29.True or false: a pair of scissors is a class 1 lever (fulcrum in the middle). (a) False (b) True
  30. 30.True or false: a fishing rod is a class 1 lever (fulcrum in the middle). (a) True (b) False
  31. 31.⚖️ Which class of lever is a pair of scissors? (a) class 3 (b) class 2 (c) class 1
  32. 32.⚖️ 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 2 (b) class 1 (c) class 3
  33. 33.True or false: a pair of kitchen tongs is a class 1 lever (fulcrum in the middle). (a) False (b) True
  34. 34.⚖️ Which class of lever is a pair of pliers? (a) class 2 (b) class 3 (c) class 1
  35. 35.True or false: a crowbar is a class 3 lever (effort in the middle). (a) True (b) False
  36. 36.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 40 cm and the load at 80 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  37. 37.True or false: a broom when sweeping is a class 3 lever (effort in the middle). (a) True (b) False
  38. 38.⚖️ Along a straight bar, measured from the left end, the effort is at 60 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
  39. 39.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 50 cm and the load at 20 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  40. 40.True or false: a pair of scissors is a class 2 lever (load in the middle). (a) False (b) True

Answer key

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

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