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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 285 · 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 70 cm, the fulcrum at 90 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  2. 2.True or false: your forearm is a class 3 lever (effort in the middle). (a) True (b) False
  3. 3.⚖️ Which class of lever is a fishing rod? (a) class 2 (b) class 1 (c) class 3
  4. 4.⚖️ Which class of lever is a wheelbarrow? (a) class 1 (b) class 3 (c) class 2
  5. 5.⚖️ 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
  6. 6.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 3 (b) class 2 (c) class 1
  7. 7.⚖️ In a class 2 lever, what is in the middle? (a) the fulcrum (b) the axle (c) the load (d) the effort
  8. 8.⚖️ What is the pivot point of a lever called? (a) the fulcrum (b) the load (c) the axle (d) the effort
  9. 9.⚖️ 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 3 (c) class 2
  10. 10.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 80 cm and the load at 0 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  11. 11.⚖️ 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 2 (c) class 3
  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 20 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  13. 13.⚖️ Which class of lever is a crowbar? (a) class 3 (b) class 2 (c) class 1
  14. 14.⚖️ Which class of lever is a pair of tweezers? (a) class 3 (b) class 1 (c) class 2
  15. 15.⚖️ In a class 3 lever, what is in the middle? (a) the effort (b) the fulcrum (c) the pulley (d) the load
  16. 16.⚖️ Along a straight bar, measured from the left end, the effort is at 20 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
  17. 17.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) far from the fulcrum (b) near the fulcrum (c) on the rock (d) on the fulcrum
  18. 18.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 60 cm and the load at 10 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  19. 19.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 90 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  20. 20.⚖️ Along a straight bar, measured from the left end, the effort is at 90 cm, the fulcrum at 60 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  21. 21.⚖️ Which class of lever is a seesaw? (a) class 1 (b) class 2 (c) class 3
  22. 22.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 0 cm and the load at 40 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  23. 23.⚖️ Along a straight bar, measured from the left end, the effort is at 20 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
  24. 24.⚖️ Which class of lever is a pair of scissors? (a) class 2 (b) class 1 (c) class 3
  25. 25.⚖️ Which class of lever is a pair of pliers? (a) class 3 (b) class 2 (c) class 1
  26. 26.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 30 cm and the load at 40 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  27. 27.True or false: a wheelbarrow is a class 2 lever (load in the middle). (a) False (b) True
  28. 28.⚖️ Which class of lever is a bottle opener? (a) class 1 (b) class 3 (c) class 2
  29. 29.True or false: a pair of tweezers is a class 2 lever (load in the middle). (a) True (b) False
  30. 30.True or false: a seesaw is a class 3 lever (effort in the middle). (a) False (b) True
  31. 31.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 50 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  32. 32.True or false: a pair of tweezers is a class 3 lever (effort in the middle). (a) True (b) False
  33. 33.⚖️ 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
  34. 34.True or false: a crowbar is a class 2 lever (load in the middle). (a) True (b) False
  35. 35.⚖️ Which class of lever is a lemon squeezer? (a) class 1 (b) class 2 (c) class 3
  36. 36.True or false: a nutcracker is a class 2 lever (load in the middle). (a) False (b) True
  37. 37.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 40 cm and the load at 10 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  38. 38.⚖️ In a class 1 lever, what is in the middle? (a) the effort (b) nothing (c) the fulcrum (d) the load
  39. 39.⚖️ Which class of lever is your forearm? (a) class 1 (b) class 2 (c) class 3
  40. 40.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 80 cm and the load at 10 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1

Answer key

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

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