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Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 220 · 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 hitting a cricket ball a push or a pull? (a) a push (b) a pull
  2. 2.💪 Is a tug of war a push or a pull? (a) a push (b) a pull
  3. 3.💪 A force is a … (a) type of sound (b) unit of time (c) kind of colour (d) push or a pull
  4. 4.Which of these is caused by friction? (a) pedalling a cycle (b) squeezing a lemon (c) rain falls to the ground (d) brakes stop a bicycle
  5. 5.True or false: closing a drawer is a pull. (a) False (b) True
  6. 6.💪 Which force pulls everything towards the Earth? (a) gravity (b) magnetism (c) wind (d) friction
  7. 7.💪 A box weighs 110 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  8. 8.💪 A cart is pulled to the right with 30 N and to the left with 40 N. Which way does the net force act? (a) to the left (b) to the right (c) no net force
  9. 9.💪 A box weighs 410 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  10. 10.💪 Is pressing a doorbell a push or a pull? (a) a push (b) a pull
  11. 11.Which of these is caused by gravity? (a) rain falls to the ground (b) a compass needle turns (c) rubbing hands warms them (d) a magnet picks up pins
  12. 12.💪 Two children push a box to the right, one with 15 N and the other with 35 N. What is the net (total) force on the box, in newtons?
  13. 13.💪 A cart is pulled to the right with 95 N and to the left with 100 N. Which way does the net force act? (a) no net force (b) to the right (c) to the left
  14. 14.True or false: pressing a doorbell is a pull. (a) True (b) False
  15. 15.💪 Which force is at work: pedalling a cycle? (a) friction (b) magnetic force (c) muscular force (d) gravity
  16. 16.💪 In which unit do we measure force? (a) newton (N) (b) metre (m) (c) second (s) (d) litre (L)
  17. 17.💪 A box weighs 40 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  18. 18.True or false: drawing up a well bucket is a push. (a) False (b) True
  19. 19.True or false: plucking a mango is a pull. (a) False (b) True
  20. 20.💪 Is closing a drawer a push or a pull? (a) a pull (b) a push
  21. 21.Which of these is caused by friction? (a) an apple falls down (b) a river flows downhill (c) a fridge magnet sticks (d) shoes grip the floor
  22. 22.💪 Which can a force NOT do? (a) start it moving (b) change its colour (c) stop it moving (d) change its shape
  23. 23.💪 Which force is at work: an apple falls down? (a) gravity (b) muscular force (c) magnetic force (d) friction
  24. 24.💪 A cart is pulled to the right with 45 N and to the left with 55 N. Which way does the net force act? (a) no net force (b) to the right (c) to the left
  25. 25.💪 Which force is at work: a magnet picks up pins? (a) muscular force (b) friction (c) gravity (d) magnetic force
  26. 26.💪 A bag has a mass of 58 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  27. 27.💪 Which force is at work: rain falls to the ground? (a) muscular force (b) gravity (c) friction (d) magnetic force
  28. 28.💪 Two children push a box to the right, one with 20 N and the other with 100 N. What is the net (total) force on the box, in newtons?
  29. 29.💪 A bag has a mass of 1 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  30. 30.💪 Two equal forces push on a box from opposite sides. They are … (a) unbalanced (b) balanced (c) gravity (d) doubled
  31. 31.💪 Is opening a drawer a push or a pull? (a) a push (b) a pull
  32. 32.💪 Which force is at work: a river flows downhill? (a) muscular force (b) gravity (c) friction (d) magnetic force
  33. 33.💪 In a tug of war, one team pulls right with 55 N and the other pulls left with 20 N. What is the size of the net force, in newtons?
  34. 34.💪 Is drawing up a well bucket a push or a pull? (a) a pull (b) a push
  35. 35.Which of these is caused by gravity? (a) shoes grip the floor (b) a river flows downhill (c) a rolling ball slows (d) a compass needle turns
  36. 36.Which of these is caused by muscular force? (a) a thrown ball comes down (b) rain falls to the ground (c) a fridge magnet sticks (d) pedalling a cycle
  37. 37.True or false: pulling up your socks is a push. (a) False (b) True
  38. 38.💪 A cart is pulled to the right with 95 N and to the left with 110 N. Which way does the net force act? (a) no net force (b) to the left (c) to the right
  39. 39.💪 Is pulling up your socks a push or a pull? (a) a push (b) a pull
  40. 40.💪 Is kicking a football a push or a pull? (a) a pull (b) a push

Answer key

  1. a push
  2. a pull
  3. push or a pull
  4. brakes stop a bicycle
  5. False
  6. gravity
  7. 11
  8. to the left
  9. 41
  10. a push
  11. rain falls to the ground
  12. 50
  13. to the left
  14. False
  15. muscular force
  16. newton (N)
  17. 4
  18. False
  19. True
  20. a push
  21. shoes grip the floor
  22. change its colour
  23. gravity
  24. to the left
  25. magnetic force
  26. 580
  27. gravity
  28. 120
  29. 10
  30. balanced
  31. a pull
  32. gravity
  33. 35
  34. a pull
  35. a river flows downhill
  36. pedalling a cycle
  37. False
  38. to the left
  39. a pull
  40. a push

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