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Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 102 · 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.💪 Which force is at work: rain falls to the ground? (a) muscular force (b) friction (c) magnetic force (d) gravity
  2. 2.💪 Is drawing up a well bucket a push or a pull? (a) a push (b) a pull
  3. 3.💪 Which can a force NOT do? (a) change its shape (b) start it moving (c) change its colour (d) stop it moving
  4. 4.💪 Is pushing a trolley a push or a pull? (a) a push (b) a pull
  5. 5.💪 A cart is pulled to the right with 60 N and to the left with 65 N. Which way does the net force act? (a) to the right (b) no net force (c) to the left
  6. 6.💪 Which force is at work: brakes stop a bicycle? (a) magnetic force (b) muscular force (c) gravity (d) friction
  7. 7.💪 Is kicking a football a push or a pull? (a) a push (b) a pull
  8. 8.💪 In a tug of war, one team pulls right with 95 N and the other pulls left with 5 N. What is the size of the net force, in newtons?
  9. 9.True or false: drawing up a well bucket is a push. (a) True (b) False
  10. 10.💪 A cart is pulled to the right with 75 N and to the left with 75 N. Which way does the net force act? (a) no net force (b) to the left (c) to the right
  11. 11.True or false: pressing a doorbell is a pull. (a) False (b) True
  12. 12.💪 A bag has a mass of 1 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  13. 13.💪 Which force is at work: a fridge magnet sticks? (a) gravity (b) muscular force (c) magnetic force (d) friction
  14. 14.💪 Two children push a box to the right, one with 45 N and the other with 30 N. What is the net (total) force on the box, in newtons?
  15. 15.💪 A box weighs 110 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  16. 16.💪 Is pushing a swing a push or a pull? (a) a push (b) a pull
  17. 17.Which of these is caused by magnetic force? (a) a thrown ball comes down (b) rubbing hands warms them (c) pedalling a cycle (d) a compass needle turns
  18. 18.True or false: pulling up your socks is a push. (a) True (b) False
  19. 19.True or false: pushing a trolley is a push. (a) False (b) True
  20. 20.💪 A force is a … (a) type of sound (b) push or a pull (c) kind of colour (d) unit of time
  21. 21.💪 In which unit do we measure force? (a) metre (m) (b) newton (N) (c) litre (L) (d) second (s)
  22. 22.💪 Is pulling a cart a push or a pull? (a) a push (b) a pull
  23. 23.True or false: kicking a football is a push. (a) False (b) True
  24. 24.💪 Which force is at work: an apple falls down? (a) friction (b) gravity (c) magnetic force (d) muscular force
  25. 25.💪 Two children push a box to the right, one with 65 N and the other with 25 N. What is the net (total) force on the box, in newtons?
  26. 26.💪 A cart is pulled to the right with 55 N and to the left with 50 N. Which way does the net force act? (a) to the left (b) no net force (c) to the right
  27. 27.💪 Is hitting a cricket ball a push or a pull? (a) a pull (b) a push
  28. 28.Which of these is caused by muscular force? (a) a magnet picks up pins (b) an apple falls down (c) a river flows downhill (d) lifting a school bag
  29. 29.💪 A bag has a mass of 59 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  30. 30.Which of these is caused by friction? (a) lifting a school bag (b) pedalling a cycle (c) brakes stop a bicycle (d) squeezing a lemon
  31. 31.💪 In a tug of war, one team pulls left with 65 N and the other pulls right with 20 N. What is the size of the net force, in newtons?
  32. 32.True or false: pulling a cart is a push. (a) True (b) False
  33. 33.💪 A box weighs 350 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  34. 34.💪 Is closing a drawer a push or a pull? (a) a pull (b) a push
  35. 35.Which of these is caused by magnetic force? (a) a rolling ball slows (b) a thrown ball comes down (c) a magnet picks up pins (d) brakes stop a bicycle
  36. 36.💪 Which force pulls everything towards the Earth? (a) gravity (b) magnetism (c) wind (d) friction
  37. 37.Which of these is caused by muscular force? (a) an apple falls down (b) a thrown ball comes down (c) pedalling a cycle (d) a rolling ball slows
  38. 38.💪 A box weighs 100 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  39. 39.💪 Is pressing a doorbell a push or a pull? (a) a pull (b) a push
  40. 40.True or false: pulling a cart is a pull. (a) False (b) True

Answer key

  1. gravity
  2. a pull
  3. change its colour
  4. a push
  5. to the left
  6. friction
  7. a push
  8. 90
  9. False
  10. no net force
  11. False
  12. 10
  13. magnetic force
  14. 75
  15. 11
  16. a push
  17. a compass needle turns
  18. False
  19. True
  20. push or a pull
  21. newton (N)
  22. a pull
  23. True
  24. gravity
  25. 90
  26. to the right
  27. a push
  28. lifting a school bag
  29. 590
  30. brakes stop a bicycle
  31. 45
  32. False
  33. 35
  34. a push
  35. a magnet picks up pins
  36. gravity
  37. pedalling a cycle
  38. 10
  39. a push
  40. True

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