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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 380 · 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.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) near the fulcrum (b) far from the fulcrum (c) on the rock (d) on the fulcrum
  2. 2.⚖️ Going along a lever from one end to the other, the order is: load, fulcrum, effort. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  3. 3.⚖️ Along a straight bar, measured from the left end, the effort is at 90 cm, the fulcrum at 50 cm and the load at 20 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  4. 4.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 20 cm and the load at 100 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  5. 5.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 10 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  6. 6.True or false: a nutcracker is a class 1 lever (fulcrum in the middle). (a) True (b) False
  7. 7.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 70 cm and the load at 40 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  8. 8.True or false: a seesaw is a class 2 lever (load in the middle). (a) False (b) True
  9. 9.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 10 cm and the load at 40 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  10. 10.True or false: a fishing rod is a class 2 lever (load in the middle). (a) True (b) False
  11. 11.True or false: a broom when sweeping is a class 2 lever (load in the middle). (a) True (b) False
  12. 12.⚖️ What is the pivot point of a lever called? (a) the effort (b) the load (c) the fulcrum (d) the axle
  13. 13.⚖️ Which class of lever is a seesaw? (a) class 1 (b) class 2 (c) class 3
  14. 14.True or false: a wheelbarrow is a class 2 lever (load in the middle). (a) True (b) False
  15. 15.⚖️ Going along a lever from one end to the other, the order is: effort, fulcrum, load. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  16. 16.⚖️ Which class of lever is a nutcracker? (a) class 3 (b) class 1 (c) class 2
  17. 17.⚖️ Which class of lever is a broom when sweeping? (a) class 3 (b) class 1 (c) class 2
  18. 18.True or false: a broom when sweeping is a class 3 lever (effort in the middle). (a) True (b) False
  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.⚖️ 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
  21. 21.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 30 cm and the load at 0 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  22. 22.⚖️ Which class of lever is a bottle opener? (a) class 1 (b) class 3 (c) class 2
  23. 23.⚖️ In a class 2 lever, what is in the middle? (a) the axle (b) the effort (c) the load (d) the fulcrum
  24. 24.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 40 cm and the load at 10 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  25. 25.⚖️ In a class 3 lever, what is in the middle? (a) the effort (b) the fulcrum (c) the load (d) the pulley
  26. 26.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 0 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  27. 27.⚖️ In a class 1 lever, what is in the middle? (a) the load (b) the fulcrum (c) nothing (d) the effort
  28. 28.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 70 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  29. 29.⚖️ Which class of lever is a beam balance? (a) class 2 (b) class 1 (c) class 3
  30. 30.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 50 cm and the load at 10 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  31. 31.⚖️ Going along a lever from one end to the other, the order is: fulcrum, effort, load. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  32. 32.⚖️ Which class of lever is a lemon squeezer? (a) class 1 (b) class 2 (c) class 3
  33. 33.True or false: a wheelbarrow is a class 1 lever (fulcrum in the middle). (a) False (b) True
  34. 34.⚖️ 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
  35. 35.⚖️ Which class of lever is a pair of tweezers? (a) class 1 (b) class 2 (c) class 3
  36. 36.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 10 cm and the load at 50 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  37. 37.⚖️ Which class of lever is a pair of pliers? (a) class 2 (b) class 1 (c) class 3
  38. 38.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 70 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  39. 39.True or false: a pair of pliers is a class 3 lever (effort in the middle). (a) False (b) True
  40. 40.⚖️ 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

Answer key

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

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