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Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 569 · 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.💪 In which unit do we measure force? (a) newton (N) (b) second (s) (c) metre (m) (d) litre (L)
  2. 2.💪 Two children push a box to the right, one with 95 N and the other with 55 N. What is the net (total) force on the box, in newtons?
  3. 3.Which of these is caused by friction? (a) pedalling a cycle (b) a compass needle turns (c) a thrown ball comes down (d) a rolling ball slows
  4. 4.💪 Which force is at work: rain falls to the ground? (a) muscular force (b) magnetic force (c) friction (d) gravity
  5. 5.Which of these is caused by friction? (a) rubbing hands warms them (b) a thrown ball comes down (c) a magnet picks up pins (d) a compass needle turns
  6. 6.💪 In a tug of war, one team pulls left with 40 N and the other pulls right with 35 N. What is the size of the net force, in newtons?
  7. 7.💪 Which force is at work: shoes grip the floor? (a) magnetic force (b) friction (c) gravity (d) muscular force
  8. 8.Which of these is caused by magnetic force? (a) brakes stop a bicycle (b) a magnet picks up pins (c) an apple falls down (d) lifting a school bag
  9. 9.True or false: closing a drawer is a pull. (a) False (b) True
  10. 10.💪 Which force is at work: lifting a school bag? (a) friction (b) gravity (c) muscular force (d) magnetic force
  11. 11.💪 A cart is pulled to the right with 80 N and to the left with 90 N. Which way does the net force act? (a) no net force (b) to the left (c) to the right
  12. 12.💪 A box weighs 130 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  13. 13.💪 Is pulling up your socks a push or a pull? (a) a push (b) a pull
  14. 14.💪 Is pushing a trolley a push or a pull? (a) a pull (b) a push
  15. 15.💪 Two equal forces push on a box from opposite sides. They are … (a) doubled (b) unbalanced (c) balanced (d) gravity
  16. 16.Which of these is caused by gravity? (a) rain falls to the ground (b) squeezing a lemon (c) a compass needle turns (d) rubbing hands warms them
  17. 17.💪 Is a tug of war a push or a pull? (a) a pull (b) a push
  18. 18.True or false: pulling up your socks is a pull. (a) True (b) False
  19. 19.💪 Is kicking a football a push or a pull? (a) a pull (b) a push
  20. 20.💪 Which force is at work: an apple falls down? (a) gravity (b) friction (c) muscular force (d) magnetic force
  21. 21.💪 Which force is at work: a rolling ball slows? (a) magnetic force (b) friction (c) gravity (d) muscular force
  22. 22.💪 Two children push a box to the right, one with 25 N and the other with 95 N. What is the net (total) force on the box, in newtons?
  23. 23.True or false: pressing a doorbell is a pull. (a) False (b) True
  24. 24.True or false: pulling up your socks is a push. (a) False (b) True
  25. 25.💪 Is plucking a mango a push or a pull? (a) a pull (b) a push
  26. 26.💪 Two children push a box to the right, one with 55 N and the other with 5 N. What is the net (total) force on the box, in newtons?
  27. 27.💪 In a tug of war, one team pulls left with 80 N and the other pulls right with 55 N. What is the size of the net force, in newtons?
  28. 28.💪 A force is a … (a) unit of time (b) kind of colour (c) type of sound (d) push or a pull
  29. 29.💪 A cart is pulled to the right with 70 N and to the left with 60 N. Which way does the net force act? (a) to the right (b) to the left (c) no net force
  30. 30.💪 Which force is at work: a river flows downhill? (a) muscular force (b) magnetic 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: kicking a football is a push. (a) True (b) False
  33. 33.💪 Is drawing up a well bucket a push or a pull? (a) a push (b) a pull
  34. 34.💪 A box weighs 240 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  35. 35.💪 A cart is pulled to the right with 35 N and to the left with 20 N. Which way does the net force act? (a) no net force (b) to the left (c) to the right
  36. 36.Which of these is caused by gravity? (a) a river flows downhill (b) brakes stop a bicycle (c) lifting a school bag (d) shoes grip the floor
  37. 37.💪 A cart is pulled to the right with 90 N and to the left with 105 N. Which way does the net force act? (a) to the right (b) no net force (c) to the left
  38. 38.💪 A box weighs 170 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  39. 39.💪 A cart is pulled to the right with 20 N and to the left with 25 N. Which way does the net force act? (a) no net force (b) to the left (c) to the right
  40. 40.💪 Two children push a box to the right, one with 25 N and the other with 90 N. What is the net (total) force on the box, in newtons?

Answer key

  1. newton (N)
  2. 150
  3. a rolling ball slows
  4. gravity
  5. rubbing hands warms them
  6. 5
  7. friction
  8. a magnet picks up pins
  9. False
  10. muscular force
  11. to the left
  12. 13
  13. a pull
  14. a push
  15. balanced
  16. rain falls to the ground
  17. a pull
  18. True
  19. a push
  20. gravity
  21. friction
  22. 120
  23. False
  24. False
  25. a pull
  26. 60
  27. 25
  28. push or a pull
  29. to the right
  30. gravity
  31. 15
  32. True
  33. a pull
  34. 24
  35. to the right
  36. a river flows downhill
  37. to the left
  38. 17
  39. to the left
  40. 115

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