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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 818 · 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.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 30 cm and the load at 80 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  2. 2.⚖️ 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 1 (b) class 2 (c) class 3
  3. 3.⚖️ Which class of lever is a wheelbarrow? (a) class 2 (b) class 3 (c) class 1
  4. 4.⚖️ Which class of lever is a crowbar? (a) class 3 (b) class 2 (c) class 1
  5. 5.True or false: a wheelbarrow is a class 2 lever (load in the middle). (a) True (b) False
  6. 6.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 70 cm and the load at 0 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  7. 7.⚖️ Which class of lever is a pair of tweezers? (a) class 2 (b) class 3 (c) class 1
  8. 8.⚖️ Going along a lever from one end to the other, the order is: effort, load, fulcrum. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  9. 9.⚖️ In a class 1 lever, what is in the middle? (a) the load (b) nothing (c) the effort (d) the fulcrum
  10. 10.True or false: a pair of pliers is a class 3 lever (effort in the middle). (a) True (b) False
  11. 11.True or false: a crowbar is a class 1 lever (fulcrum in the middle). (a) False (b) True
  12. 12.⚖️ Which class of lever is a nutcracker? (a) class 2 (b) class 1 (c) class 3
  13. 13.⚖️ 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 3 (b) class 2 (c) class 1
  14. 14.⚖️ Which class of lever is a pair of pliers? (a) class 2 (b) class 3 (c) class 1
  15. 15.⚖️ In a class 2 lever, what is in the middle? (a) the axle (b) the effort (c) the load (d) the fulcrum
  16. 16.True or false: a pair of kitchen tongs is a class 2 lever (load in the middle). (a) True (b) False
  17. 17.⚖️ Which class of lever is a beam balance? (a) class 2 (b) class 3 (c) class 1
  18. 18.True or false: a nutcracker is a class 2 lever (load in the middle). (a) True (b) False
  19. 19.True or false: your forearm is a class 1 lever (fulcrum in the middle). (a) False (b) True
  20. 20.⚖️ What is the pivot point of a lever called? (a) the effort (b) the fulcrum (c) the axle (d) the load
  21. 21.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 70 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  22. 22.⚖️ In a class 3 lever, what is in the middle? (a) the effort (b) the pulley (c) the fulcrum (d) the load
  23. 23.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 20 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  24. 24.⚖️ Which class of lever is a bottle opener? (a) class 1 (b) class 3 (c) class 2
  25. 25.⚖️ Which class of lever is your forearm? (a) class 1 (b) class 2 (c) class 3
  26. 26.⚖️ 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 3 (c) class 2
  27. 27.True or false: a seesaw is a class 1 lever (fulcrum in the middle). (a) True (b) False
  28. 28.⚖️ 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
  29. 29.True or false: a crowbar is a class 2 lever (load in the middle). (a) True (b) False
  30. 30.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 50 cm and the load at 10 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  31. 31.True or false: a pair of scissors is a class 1 lever (fulcrum in the middle). (a) False (b) True
  32. 32.⚖️ Which class of lever is a seesaw? (a) class 2 (b) class 3 (c) class 1
  33. 33.True or false: a pair of tweezers is a class 3 lever (effort in the middle). (a) False (b) True
  34. 34.⚖️ Which class of lever is a pair of scissors? (a) class 1 (b) class 2 (c) class 3
  35. 35.True or false: a beam balance is a class 3 lever (effort in the middle). (a) False (b) True
  36. 36.⚖️ Which class of lever is a lemon squeezer? (a) class 3 (b) class 2 (c) class 1
  37. 37.⚖️ 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 2 (b) class 3 (c) class 1
  38. 38.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the fulcrum (b) on the rock (c) near the fulcrum (d) far from the fulcrum
  39. 39.True or false: a crowbar is a class 3 lever (effort in the middle). (a) False (b) True
  40. 40.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 0 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1

Answer key

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

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