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Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 851 · 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) litre (L) (d) metre (m)
  2. 2.💪 Is opening a drawer a push or a pull? (a) a pull (b) a push
  3. 3.💪 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?
  4. 4.💪 Which force is at work: squeezing a lemon? (a) friction (b) magnetic force (c) gravity (d) muscular force
  5. 5.💪 Two children push a box to the right, one with 25 N and the other with 20 N. What is the net (total) force on the box, in newtons?
  6. 6.💪 In a tug of war, one team pulls right with 45 N and the other pulls left with 40 N. What is the size of the net force, in newtons?
  7. 7.💪 Is pushing a trolley a push or a pull? (a) a pull (b) a push
  8. 8.💪 Is hitting a cricket ball a push or a pull? (a) a push (b) a pull
  9. 9.💪 Is pressing a doorbell a push or a pull? (a) a pull (b) a push
  10. 10.💪 Which force is at work: a compass needle turns? (a) friction (b) magnetic force (c) muscular force (d) gravity
  11. 11.Which of these is caused by friction? (a) a compass needle turns (b) shoes grip the floor (c) a river flows downhill (d) a fridge magnet sticks
  12. 12.True or false: kicking a football is a pull. (a) True (b) False
  13. 13.💪 Which force is at work: shoes grip the floor? (a) friction (b) magnetic force (c) gravity (d) muscular force
  14. 14.💪 Is pushing a swing a push or a pull? (a) a push (b) a pull
  15. 15.💪 Is pulling a cart a push or a pull? (a) a push (b) a pull
  16. 16.True or false: plucking a mango is a push. (a) True (b) False
  17. 17.💪 A bag has a mass of 12 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  18. 18.True or false: closing a drawer is a pull. (a) False (b) True
  19. 19.Which of these is caused by magnetic force? (a) lifting a school bag (b) a river flows downhill (c) pedalling a cycle (d) a compass needle turns
  20. 20.💪 Two children push a box to the right, one with 10 N and the other with 90 N. What is the net (total) force on the box, in newtons?
  21. 21.True or false: pressing a doorbell is a pull. (a) True (b) False
  22. 22.💪 A force is a … (a) type of sound (b) push or a pull (c) unit of time (d) kind of colour
  23. 23.True or false: plucking a mango is a pull. (a) False (b) True
  24. 24.💪 Is a tug of war a push or a pull? (a) a pull (b) a push
  25. 25.💪 In a tug of war, one team pulls right with 65 N and the other pulls left with 50 N. What is the size of the net force, in newtons?
  26. 26.💪 A cart is pulled to the right with 40 N and to the left with 25 N. Which way does the net force act? (a) to the right (b) to the left (c) no net force
  27. 27.💪 Two children push a box to the right, one with 10 N and the other with 10 N. What is the net (total) force on the box, in newtons?
  28. 28.Which of these is caused by gravity? (a) a thrown ball comes down (b) rubbing hands warms them (c) a fridge magnet sticks (d) a rolling ball slows
  29. 29.💪 A box weighs 80 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  30. 30.💪 Two children push a box to the right, one with 10 N and the other with 55 N. What is the net (total) force on the box, in newtons?
  31. 31.💪 Which force is at work: a thrown ball comes down? (a) gravity (b) magnetic force (c) muscular force (d) friction
  32. 32.True or false: a tug of war is a pull. (a) True (b) False
  33. 33.💪 Which force pulls everything towards the Earth? (a) wind (b) magnetism (c) friction (d) gravity
  34. 34.True or false: pulling up your socks is a push. (a) True (b) False
  35. 35.True or false: pushing a swing is a push. (a) True (b) False
  36. 36.Which of these is caused by gravity? (a) a rolling ball slows (b) a compass needle turns (c) rain falls to the ground (d) shoes grip the floor
  37. 37.True or false: kicking a football is a push. (a) True (b) False
  38. 38.Which of these is caused by muscular force? (a) a fridge magnet sticks (b) a compass needle turns (c) lifting a school bag (d) an apple falls down
  39. 39.💪 A box weighs 500 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  40. 40.💪 Is closing a drawer a push or a pull? (a) a push (b) a pull

Answer key

  1. newton (N)
  2. a pull
  3. 30
  4. muscular force
  5. 45
  6. 5
  7. a push
  8. a push
  9. a push
  10. magnetic force
  11. shoes grip the floor
  12. False
  13. friction
  14. a push
  15. a pull
  16. False
  17. 120
  18. False
  19. a compass needle turns
  20. 100
  21. False
  22. push or a pull
  23. True
  24. a pull
  25. 15
  26. to the right
  27. 20
  28. a thrown ball comes down
  29. 8
  30. 65
  31. gravity
  32. True
  33. gravity
  34. False
  35. True
  36. rain falls to the ground
  37. True
  38. lifting a school bag
  39. 50
  40. a push

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