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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 536 · 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 2 lever, what is in the middle? (a) the effort (b) the load (c) the axle (d) the fulcrum
  2. 2.⚖️ 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
  3. 3.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 20 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  4. 4.⚖️ Going along a lever from one end to the other, the order is: load, fulcrum, effort. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  5. 5.True or false: a pair of pliers is a class 2 lever (load in the middle). (a) False (b) True
  6. 6.True or false: your forearm is a class 3 lever (effort in the middle). (a) False (b) True
  7. 7.⚖️ Which class of lever is a pair of pliers? (a) class 2 (b) class 3 (c) class 1
  8. 8.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 90 cm and the load at 70 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  9. 9.True or false: a broom when sweeping is a class 3 lever (effort in the middle). (a) True (b) False
  10. 10.True or false: a seesaw is a class 3 lever (effort in the middle). (a) True (b) False
  11. 11.⚖️ In a class 3 lever, what is in the middle? (a) the fulcrum (b) the load (c) the effort (d) the pulley
  12. 12.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 70 cm and the load at 10 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  13. 13.⚖️ Which class of lever is a pair of tweezers? (a) class 3 (b) class 2 (c) class 1
  14. 14.⚖️ Which class of lever is a beam balance? (a) class 2 (b) class 3 (c) class 1
  15. 15.True or false: a pair of tweezers is a class 2 lever (load in the middle). (a) False (b) True
  16. 16.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 90 cm and the load at 10 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  17. 17.True or false: a crowbar is a class 2 lever (load in the middle). (a) True (b) False
  18. 18.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) near the fulcrum (b) on the fulcrum (c) on the rock (d) far from the fulcrum
  19. 19.True or false: a pair of kitchen tongs is a class 2 lever (load in the middle). (a) True (b) False
  20. 20.True or false: a nutcracker is a class 2 lever (load in the middle). (a) False (b) True
  21. 21.⚖️ Going along a lever from one end to the other, the order is: fulcrum, load, effort. 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 50 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
  23. 23.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 0 cm and the load at 60 cm. 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.True or false: a bottle opener is a class 2 lever (load in the middle). (a) True (b) False
  26. 26.True or false: a beam balance is a class 3 lever (effort in the middle). (a) False (b) True
  27. 27.⚖️ What is the pivot point of a lever called? (a) the load (b) the effort (c) the axle (d) the fulcrum
  28. 28.True or false: a broom when sweeping is a class 2 lever (load in the middle). (a) True (b) False
  29. 29.⚖️ 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 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 10 cm and the load at 0 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  31. 31.⚖️ Which class of lever is a bottle opener? (a) class 2 (b) class 1 (c) class 3
  32. 32.⚖️ Which class of lever is a seesaw? (a) class 3 (b) class 1 (c) class 2
  33. 33.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 50 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  34. 34.True or false: a pair of pliers is a class 3 lever (effort in the middle). (a) True (b) False
  35. 35.True or false: a fishing rod is a class 3 lever (effort in the middle). (a) False (b) True
  36. 36.True or false: a lemon squeezer is a class 3 lever (effort in the middle). (a) True (b) False
  37. 37.⚖️ Which class of lever is a nutcracker? (a) class 1 (b) class 2 (c) class 3
  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 1 (b) class 2 (c) class 3
  39. 39.True or false: a lemon squeezer is a class 2 lever (load in the middle). (a) True (b) False
  40. 40.⚖️ Which class of lever is a lemon squeezer? (a) class 2 (b) class 1 (c) class 3

Answer key

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

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