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Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 576 · 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.💪 Two children push a box to the right, one with 55 N and the other with 35 N. What is the net (total) force on the box, in newtons?
  2. 2.💪 Two children push a box to the right, one with 10 N and the other with 50 N. What is the net (total) force on the box, in newtons?
  3. 3.💪 In a tug of war, one team pulls left with 55 N and the other pulls right with 30 N. What is the size of the net force, in newtons?
  4. 4.💪 In a tug of war, one team pulls right with 60 N and the other pulls left with 15 N. What is the size of the net force, in newtons?
  5. 5.💪 Is kicking a football a push or a pull? (a) a push (b) a pull
  6. 6.True or false: pushing a swing is a pull. (a) True (b) False
  7. 7.💪 In a tug of war, one team pulls right with 40 N and the other pulls left with 10 N. What is the size of the net force, in newtons?
  8. 8.Which of these is caused by muscular force? (a) a fridge magnet sticks (b) shoes grip the floor (c) pedalling a cycle (d) rubbing hands warms them
  9. 9.Which of these is caused by gravity? (a) a rolling ball slows (b) brakes stop a bicycle (c) rubbing hands warms them (d) an apple falls down
  10. 10.True or false: kicking a football is a push. (a) True (b) False
  11. 11.💪 Which force is at work: pedalling a cycle? (a) magnetic force (b) friction (c) gravity (d) muscular force
  12. 12.💪 Two children push a box to the right, one with 20 N and the other with 5 N. What is the net (total) force on the box, in newtons?
  13. 13.Which of these is caused by friction? (a) a fridge magnet sticks (b) a compass needle turns (c) shoes grip the floor (d) rain falls to the ground
  14. 14.True or false: pulling a cart is a pull. (a) True (b) False
  15. 15.Which of these is caused by gravity? (a) a thrown ball comes down (b) brakes stop a bicycle (c) a rolling ball slows (d) squeezing a lemon
  16. 16.💪 Two children push a box to the right, one with 75 N and the other with 55 N. What is the net (total) force on the box, in newtons?
  17. 17.💪 Which force is at work: a fridge magnet sticks? (a) muscular force (b) magnetic force (c) friction (d) gravity
  18. 18.💪 Is pressing a doorbell a push or a pull? (a) a push (b) a pull
  19. 19.True or false: plucking a mango is a pull. (a) False (b) True
  20. 20.💪 A force is a … (a) unit of time (b) push or a pull (c) type of sound (d) kind of colour
  21. 21.💪 A cart is pulled to the right with 55 N and to the left with 70 N. Which way does the net force act? (a) to the left (b) to the right (c) no net force
  22. 22.💪 Which force is at work: a rolling ball slows? (a) muscular force (b) gravity (c) friction (d) magnetic force
  23. 23.💪 Is pushing a trolley a push or a pull? (a) a push (b) a pull
  24. 24.💪 Is opening a drawer a push or a pull? (a) a pull (b) a push
  25. 25.💪 Which force is at work: a river flows downhill? (a) gravity (b) muscular force (c) friction (d) magnetic force
  26. 26.Which of these is caused by gravity? (a) rain falls to the ground (b) brakes stop a bicycle (c) shoes grip the floor (d) lifting a school bag
  27. 27.Which of these is caused by friction? (a) a fridge magnet sticks (b) an apple falls down (c) a compass needle turns (d) a rolling ball slows
  28. 28.💪 In a tug of war, one team pulls left with 40 N and the other pulls right with 15 N. What is the size of the net force, in newtons?
  29. 29.💪 A box weighs 90 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  30. 30.💪 Which force is at work: brakes stop a bicycle? (a) friction (b) gravity (c) magnetic force (d) muscular force
  31. 31.💪 Which force is at work: a thrown ball comes down? (a) magnetic force (b) gravity (c) muscular force (d) friction
  32. 32.💪 A cart is pulled to the right with 45 N and to the left with 40 N. Which way does the net force act? (a) to the right (b) to the left (c) no net force
  33. 33.True or false: a tug of war is a pull. (a) True (b) False
  34. 34.💪 A bag has a mass of 10 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  35. 35.True or false: opening a drawer is a push. (a) True (b) False
  36. 36.💪 Is closing a drawer a push or a pull? (a) a push (b) a pull
  37. 37.💪 Two children push a box to the right, one with 50 N and the other with 15 N. What is the net (total) force on the box, in newtons?
  38. 38.💪 Two children push a box to the right, one with 10 N and the other with 35 N. What is the net (total) force on the box, in newtons?
  39. 39.💪 A box weighs 410 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  40. 40.💪 In a tug of war, one team pulls right with 20 N and the other pulls left with 15 N. What is the size of the net force, in newtons?

Answer key

  1. 90
  2. 60
  3. 25
  4. 45
  5. a push
  6. False
  7. 30
  8. pedalling a cycle
  9. an apple falls down
  10. True
  11. muscular force
  12. 25
  13. shoes grip the floor
  14. True
  15. a thrown ball comes down
  16. 130
  17. magnetic force
  18. a push
  19. True
  20. push or a pull
  21. to the left
  22. friction
  23. a push
  24. a pull
  25. gravity
  26. rain falls to the ground
  27. a rolling ball slows
  28. 25
  29. 9
  30. friction
  31. gravity
  32. to the right
  33. True
  34. 100
  35. False
  36. a push
  37. 65
  38. 45
  39. 41
  40. 5

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