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Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 686 · 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 closing a drawer a push or a pull? (a) a push (b) a pull
  2. 2.💪 Which force pulls everything towards the Earth? (a) magnetism (b) wind (c) friction (d) gravity
  3. 3.💪 A bag has a mass of 4 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  4. 4.💪 A force is a … (a) kind of colour (b) type of sound (c) unit of time (d) push or a pull
  5. 5.💪 Is a tug of war a push or a pull? (a) a push (b) a pull
  6. 6.💪 Two children push a box to the right, one with 10 N and the other with 85 N. What is the net (total) force on the box, in newtons?
  7. 7.Which of these is caused by gravity? (a) a thrown ball comes down (b) a compass needle turns (c) squeezing a lemon (d) a fridge magnet sticks
  8. 8.💪 Which can a force NOT do? (a) stop it moving (b) start it moving (c) change its colour (d) change its shape
  9. 9.💪 Which force is at work: an apple falls down? (a) magnetic force (b) gravity (c) muscular force (d) friction
  10. 10.💪 A box weighs 310 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  11. 11.True or false: opening a drawer is a pull. (a) True (b) False
  12. 12.💪 A box weighs 100 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  13. 13.💪 Is pressing a doorbell a push or a pull? (a) a pull (b) a push
  14. 14.💪 Two children push a box to the right, one with 40 N and the other with 85 N. What is the net (total) force on the box, in newtons?
  15. 15.💪 A cart is pulled to the right with 40 N and to the left with 50 N. Which way does the net force act? (a) no net force (b) to the left (c) to the right
  16. 16.💪 A cart is pulled to the right with 25 N and to the left with 35 N. Which way does the net force act? (a) to the right (b) no net force (c) to the left
  17. 17.True or false: pushing a trolley is a push. (a) False (b) True
  18. 18.💪 A cart is pulled to the right with 100 N and to the left with 100 N. Which way does the net force act? (a) to the left (b) to the right (c) no net force
  19. 19.💪 A box weighs 230 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  20. 20.💪 A box weighs 320 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  21. 21.True or false: pushing a swing is a pull. (a) False (b) True
  22. 22.True or false: pushing a swing is a push. (a) False (b) True
  23. 23.True or false: pulling up your socks is a push. (a) False (b) True
  24. 24.True or false: plucking a mango is a pull. (a) False (b) True
  25. 25.💪 Is pushing a trolley a push or a pull? (a) a pull (b) a push
  26. 26.💪 Is drawing up a well bucket a push or a pull? (a) a pull (b) a push
  27. 27.💪 Which force is at work: pedalling a cycle? (a) magnetic force (b) muscular force (c) gravity (d) friction
  28. 28.True or false: kicking a football is a push. (a) False (b) True
  29. 29.True or false: pressing a doorbell is a pull. (a) True (b) False
  30. 30.💪 In a tug of war, one team pulls right with 85 N and the other pulls left with 5 N. What is the size of the net force, in newtons?
  31. 31.💪 Which force is at work: rain falls to the ground? (a) magnetic force (b) friction (c) muscular force (d) gravity
  32. 32.Which of these is caused by magnetic force? (a) brakes stop a bicycle (b) a river flows downhill (c) shoes grip the floor (d) a fridge magnet sticks
  33. 33.True or false: a tug of war is a pull. (a) False (b) True
  34. 34.💪 In a tug of war, one team pulls right with 100 N and the other pulls left with 75 N. What is the size of the net force, in newtons?
  35. 35.💪 Which force is at work: a fridge magnet sticks? (a) magnetic force (b) muscular force (c) friction (d) gravity
  36. 36.💪 Which force is at work: lifting a school bag? (a) friction (b) muscular force (c) gravity (d) magnetic force
  37. 37.💪 A cart is pulled to the right with 65 N and to the left with 80 N. Which way does the net force act? (a) to the right (b) to the left (c) no net force
  38. 38.💪 Two children push a box to the right, one with 5 N and the other with 15 N. What is the net (total) force on the box, in newtons?
  39. 39.💪 In which unit do we measure force? (a) metre (m) (b) newton (N) (c) second (s) (d) litre (L)
  40. 40.Which of these is caused by gravity? (a) a rolling ball slows (b) brakes stop a bicycle (c) squeezing a lemon (d) rain falls to the ground

Answer key

  1. a push
  2. gravity
  3. 40
  4. push or a pull
  5. a pull
  6. 95
  7. a thrown ball comes down
  8. change its colour
  9. gravity
  10. 31
  11. True
  12. 10
  13. a push
  14. 125
  15. to the left
  16. to the left
  17. True
  18. no net force
  19. 23
  20. 32
  21. False
  22. True
  23. False
  24. True
  25. a push
  26. a pull
  27. muscular force
  28. True
  29. False
  30. 80
  31. gravity
  32. a fridge magnet sticks
  33. True
  34. 25
  35. magnetic force
  36. muscular force
  37. to the left
  38. 20
  39. newton (N)
  40. rain falls to the ground

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