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Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 516 · 40 questions
TalentJR

Engineer's tip (Add same way, subtract opposite): Push moves away, pull moves towards; force is measured in newtons (N). Same direction: add. Opposite directions: bigger − smaller, towards the bigger. Weight (N) ≈ mass (kg) × 10.

NameDateTime takenScore ___ / 40
  1. 1.💪 Is pushing a swing a push or a pull? (a) a pull (b) a push
  2. 2.💪 Which force is at work: rubbing hands warms them? (a) gravity (b) magnetic force (c) muscular force (d) friction
  3. 3.💪 A cart is pulled to the right with 100 N and to the left with 115 N. Which way does the net force act? (a) no net force (b) to the left (c) to the right
  4. 4.💪 Is pulling up your socks a push or a pull? (a) a pull (b) a push
  5. 5.💪 A box weighs 430 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  6. 6.Which of these is caused by gravity? (a) brakes stop a bicycle (b) shoes grip the floor (c) squeezing a lemon (d) an apple falls down
  7. 7.💪 Is hitting a cricket ball a push or a pull? (a) a pull (b) a push
  8. 8.💪 Which force is at work: pedalling a cycle? (a) muscular force (b) gravity (c) friction (d) magnetic force
  9. 9.💪 Which force is at work: shoes grip the floor? (a) gravity (b) magnetic force (c) muscular force (d) friction
  10. 10.💪 Which can a force NOT do? (a) change its shape (b) change its colour (c) start it moving (d) stop it moving
  11. 11.💪 In a tug of war, one team pulls right with 50 N and the other pulls left with 20 N. What is the size of the net force, in newtons?
  12. 12.💪 Which force is at work: squeezing a lemon? (a) gravity (b) friction (c) muscular force (d) magnetic force
  13. 13.💪 Two children push a box to the right, one with 65 N and the other with 10 N. What is the net (total) force on the box, in newtons?
  14. 14.💪 In a tug of war, one team pulls right with 65 N and the other pulls left with 10 N. What is the size of the net force, in newtons?
  15. 15.💪 Which force is at work: a rolling ball slows? (a) magnetic force (b) muscular force (c) gravity (d) friction
  16. 16.💪 Two equal forces push on a box from opposite sides. They are … (a) balanced (b) unbalanced (c) doubled (d) gravity
  17. 17.💪 A force is a … (a) push or a pull (b) unit of time (c) type of sound (d) kind of colour
  18. 18.💪 Is pulling a cart a push or a pull? (a) a push (b) a pull
  19. 19.💪 A box weighs 40 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  20. 20.💪 Which force is at work: a thrown ball comes down? (a) muscular force (b) friction (c) gravity (d) magnetic force
  21. 21.💪 Is plucking a mango a push or a pull? (a) a push (b) a pull
  22. 22.💪 Is kicking a football a push or a pull? (a) a pull (b) a push
  23. 23.💪 Two children push a box to the right, one with 35 N and the other with 35 N. What is the net (total) force on the box, in newtons?
  24. 24.💪 A bag has a mass of 8 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  25. 25.💪 Which force pulls everything towards the Earth? (a) magnetism (b) gravity (c) friction (d) wind
  26. 26.💪 Two children push a box to the right, one with 10 N and the other with 80 N. What is the net (total) force on the box, in newtons?
  27. 27.💪 Two children push a box to the right, one with 35 N and the other with 30 N. What is the net (total) force on the box, in newtons?
  28. 28.💪 Is pressing a doorbell a push or a pull? (a) a pull (b) a push
  29. 29.💪 A bag has a mass of 44 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  30. 30.💪 Which force is at work: an apple falls down? (a) magnetic force (b) muscular force (c) friction (d) gravity
  31. 31.💪 A box weighs 150 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  32. 32.True or false: pressing a doorbell is a push. (a) False (b) True
  33. 33.Which of these is caused by friction? (a) a compass needle turns (b) squeezing a lemon (c) a thrown ball comes down (d) rubbing hands warms them
  34. 34.True or false: a tug of war is a pull. (a) True (b) False
  35. 35.💪 Is drawing up a well bucket a push or a pull? (a) a push (b) a pull
  36. 36.💪 A cart is pulled to the right with 100 N and to the left with 90 N. Which way does the net force act? (a) to the left (b) no net force (c) to the right
  37. 37.True or false: pushing a swing is a push. (a) False (b) True
  38. 38.💪 Which force is at work: rain falls to the ground? (a) muscular force (b) friction (c) magnetic force (d) gravity
  39. 39.True or false: drawing up a well bucket is a push. (a) False (b) True
  40. 40.💪 A box weighs 250 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?

Answer key

  1. a push
  2. friction
  3. to the left
  4. a pull
  5. 43
  6. an apple falls down
  7. a push
  8. muscular force
  9. friction
  10. change its colour
  11. 30
  12. muscular force
  13. 75
  14. 55
  15. friction
  16. balanced
  17. push or a pull
  18. a pull
  19. 4
  20. gravity
  21. a pull
  22. a push
  23. 70
  24. 80
  25. gravity
  26. 90
  27. 65
  28. a push
  29. 440
  30. gravity
  31. 15
  32. True
  33. rubbing hands warms them
  34. True
  35. a pull
  36. to the right
  37. True
  38. gravity
  39. False
  40. 25

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