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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 430 · 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.⚖️ Which class of lever is a beam balance? (a) class 1 (b) class 2 (c) class 3
  2. 2.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) False (b) True
  3. 3.True or false: a beam balance is a class 3 lever (effort in the middle). (a) True (b) False
  4. 4.True or false: a bottle opener is a class 3 lever (effort in the middle). (a) True (b) False
  5. 5.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 0 cm and the load at 40 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  6. 6.⚖️ 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
  7. 7.⚖️ Which class of lever is a crowbar? (a) class 1 (b) class 3 (c) class 2
  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.⚖️ Which class of lever is a seesaw? (a) class 3 (b) class 2 (c) class 1
  10. 10.⚖️ 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
  11. 11.⚖️ Along a straight bar, measured from the left end, the effort is at 40 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
  12. 12.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the fulcrum (b) on the rock (c) far from the fulcrum (d) near the fulcrum
  13. 13.⚖️ 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
  14. 14.⚖️ In a class 3 lever, what is in the middle? (a) the load (b) the fulcrum (c) the effort (d) the pulley
  15. 15.⚖️ Which class of lever is a bottle opener? (a) class 2 (b) class 1 (c) class 3
  16. 16.⚖️ In a class 2 lever, what is in the middle? (a) the fulcrum (b) the effort (c) the axle (d) the load
  17. 17.⚖️ Along a straight bar, measured from the left end, the effort is at 30 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
  18. 18.True or false: a lemon squeezer is a class 1 lever (fulcrum in the middle). (a) False (b) True
  19. 19.⚖️ Which class of lever is a wheelbarrow? (a) class 2 (b) class 1 (c) class 3
  20. 20.⚖️ Which class of lever is a fishing rod? (a) class 2 (b) class 3 (c) class 1
  21. 21.True or false: a seesaw is a class 2 lever (load in the middle). (a) False (b) True
  22. 22.⚖️ Which class of lever is a nutcracker? (a) class 2 (b) class 1 (c) class 3
  23. 23.⚖️ 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 1 (c) class 3
  24. 24.True or false: a wheelbarrow is a class 2 lever (load in the middle). (a) True (b) False
  25. 25.⚖️ Which class of lever is a pair of scissors? (a) class 3 (b) class 2 (c) class 1
  26. 26.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 50 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  27. 27.True or false: a broom when sweeping is a class 3 lever (effort in the middle). (a) False (b) True
  28. 28.⚖️ Which class of lever is a pair of tweezers? (a) class 1 (b) class 2 (c) class 3
  29. 29.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 10 cm and the load at 50 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  30. 30.True or false: a lemon squeezer is a class 3 lever (effort in the middle). (a) True (b) False
  31. 31.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 80 cm and the load at 50 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  32. 32.True or false: a bottle opener is a class 1 lever (fulcrum in the middle). (a) False (b) True
  33. 33.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 80 cm and the load at 50 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  34. 34.⚖️ Which class of lever is your forearm? (a) class 3 (b) class 2 (c) class 1
  35. 35.True or false: a nutcracker is a class 1 lever (fulcrum in the middle). (a) False (b) True
  36. 36.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 40 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  37. 37.True or false: a crowbar is a class 1 lever (fulcrum in the middle). (a) True (b) False
  38. 38.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 0 cm and the load at 10 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  39. 39.True or false: a lemon squeezer is a class 2 lever (load in the middle). (a) False (b) True
  40. 40.⚖️ 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 2 (b) class 1 (c) class 3

Answer key

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

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