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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 641 · 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 nutcracker? (a) class 3 (b) class 1 (c) class 2
  2. 2.True or false: a pair of tweezers is a class 1 lever (fulcrum in the middle). (a) False (b) True
  3. 3.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the rock (b) near the fulcrum (c) on the fulcrum (d) far from the fulcrum
  4. 4.⚖️ In a class 3 lever, what is in the middle? (a) the fulcrum (b) the load (c) the pulley (d) the effort
  5. 5.⚖️ Which class of lever is a fishing rod? (a) class 1 (b) class 2 (c) class 3
  6. 6.⚖️ Which class of lever is a seesaw? (a) class 1 (b) class 2 (c) class 3
  7. 7.⚖️ 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 3 (b) class 1 (c) class 2
  8. 8.⚖️ Which class of lever is a pair of pliers? (a) class 2 (b) class 3 (c) class 1
  9. 9.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 60 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  10. 10.⚖️ Going along a lever from one end to the other, the order is: load, effort, fulcrum. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  11. 11.⚖️ Which class of lever is your forearm? (a) class 2 (b) class 3 (c) class 1
  12. 12.⚖️ 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 3 (c) class 1
  13. 13.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 60 cm and the load at 90 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  14. 14.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 60 cm and the load at 10 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  15. 15.⚖️ What is the pivot point of a lever called? (a) the load (b) the fulcrum (c) the effort (d) the axle
  16. 16.⚖️ In a class 1 lever, what is in the middle? (a) the load (b) the effort (c) nothing (d) the fulcrum
  17. 17.⚖️ 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
  18. 18.True or false: a nutcracker is a class 1 lever (fulcrum in the middle). (a) False (b) True
  19. 19.True or false: a seesaw is a class 1 lever (fulcrum in the middle). (a) True (b) False
  20. 20.⚖️ 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 1 (c) class 2
  21. 21.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 80 cm and the load at 60 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  22. 22.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 100 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  23. 23.True or false: a fishing rod is a class 3 lever (effort in the middle). (a) True (b) False
  24. 24.⚖️ Which class of lever is a bottle opener? (a) class 1 (b) class 3 (c) class 2
  25. 25.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 30 cm and the load at 60 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  26. 26.⚖️ 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
  27. 27.⚖️ Which class of lever is a beam balance? (a) class 1 (b) class 2 (c) class 3
  28. 28.⚖️ Going along a lever from one end to the other, the order is: fulcrum, effort, load. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  29. 29.⚖️ Which class of lever is a wheelbarrow? (a) class 3 (b) class 1 (c) class 2
  30. 30.⚖️ In a class 2 lever, what is in the middle? (a) the axle (b) the fulcrum (c) the load (d) the effort
  31. 31.True or false: a lemon squeezer is a class 1 lever (fulcrum in the middle). (a) True (b) False
  32. 32.True or false: a nutcracker is a class 2 lever (load in the middle). (a) True (b) False
  33. 33.True or false: a seesaw is a class 3 lever (effort in the middle). (a) True (b) False
  34. 34.⚖️ Along a straight bar, measured from the left end, the effort is at 0 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
  35. 35.True or false: a wheelbarrow is a class 1 lever (fulcrum in the middle). (a) True (b) False
  36. 36.True or false: a pair of kitchen tongs is a class 2 lever (load in the middle). (a) True (b) False
  37. 37.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 50 cm and the load at 0 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  38. 38.⚖️ 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 2 (c) class 1
  39. 39.⚖️ Which class of lever is a lemon squeezer? (a) class 1 (b) class 3 (c) class 2
  40. 40.⚖️ Which class of lever is a pair of scissors? (a) class 1 (b) class 2 (c) class 3

Answer key

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

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