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Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 148 · 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.True or false: kicking a football is a pull. (a) False (b) True
  2. 2.💪 Two children push a box to the right, one with 95 N and the other with 5 N. What is the net (total) force on the box, in newtons?
  3. 3.💪 Which force is at work: a rolling ball slows? (a) muscular force (b) magnetic force (c) friction (d) gravity
  4. 4.Which of these is caused by muscular force? (a) rain falls to the ground (b) an apple falls down (c) a rolling ball slows (d) lifting a school bag
  5. 5.💪 Is pressing a doorbell a push or a pull? (a) a push (b) a pull
  6. 6.💪 In a tug of war, one team pulls right with 20 N and the other pulls left with 10 N. What is the size of the net force, in newtons?
  7. 7.💪 A force is a … (a) kind of colour (b) type of sound (c) unit of time (d) push or a pull
  8. 8.💪 In which unit do we measure force? (a) newton (N) (b) litre (L) (c) metre (m) (d) second (s)
  9. 9.💪 Two children push a box to the right, one with 40 N and the other with 60 N. What is the net (total) force on the box, in newtons?
  10. 10.💪 A box weighs 140 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  11. 11.True or false: plucking a mango is a pull. (a) False (b) True
  12. 12.💪 Is opening a drawer a push or a pull? (a) a push (b) a pull
  13. 13.💪 In a tug of war, one team pulls left with 95 N and the other pulls right with 15 N. What is the size of the net force, in newtons?
  14. 14.💪 Is pulling up your socks a push or a pull? (a) a pull (b) a push
  15. 15.💪 A bag has a mass of 17 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  16. 16.💪 Two children push a box to the right, one with 85 N and the other with 30 N. What is the net (total) force on the box, in newtons?
  17. 17.True or false: pushing a trolley is a push. (a) True (b) False
  18. 18.True or false: opening a drawer is a pull. (a) False (b) True
  19. 19.💪 In a tug of war, one team pulls left with 45 N and the other pulls right with 35 N. What is the size of the net force, in newtons?
  20. 20.💪 A box weighs 400 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  21. 21.💪 Which force pulls everything towards the Earth? (a) magnetism (b) gravity (c) friction (d) wind
  22. 22.💪 Two children push a box to the right, one with 35 N and the other with 10 N. What is the net (total) force on the box, in newtons?
  23. 23.True or false: closing a drawer is a push. (a) True (b) False
  24. 24.Which of these is caused by gravity? (a) shoes grip the floor (b) brakes stop a bicycle (c) an apple falls down (d) a rolling ball slows
  25. 25.💪 In a tug of war, one team pulls right with 100 N and the other pulls left with 5 N. What is the size of the net force, in newtons?
  26. 26.True or false: pressing a doorbell is a push. (a) True (b) False
  27. 27.💪 Which force is at work: shoes grip the floor? (a) magnetic force (b) friction (c) gravity (d) muscular force
  28. 28.True or false: pulling a cart is a pull. (a) False (b) True
  29. 29.💪 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) to the left (c) no net force
  30. 30.💪 A box weighs 580 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  31. 31.💪 Which force is at work: a river flows downhill? (a) gravity (b) magnetic force (c) muscular force (d) friction
  32. 32.💪 Which can a force NOT do? (a) change its shape (b) change its colour (c) start it moving (d) stop it moving
  33. 33.💪 Is hitting a cricket ball a push or a pull? (a) a pull (b) a push
  34. 34.💪 A bag has a mass of 55 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  35. 35.💪 Is pushing a swing a push or a pull? (a) a pull (b) a push
  36. 36.💪 Is a tug of war a push or a pull? (a) a push (b) a pull
  37. 37.💪 Which force is at work: an apple falls down? (a) gravity (b) friction (c) muscular force (d) magnetic force
  38. 38.Which of these is caused by gravity? (a) rain falls to the ground (b) a compass needle turns (c) squeezing a lemon (d) pedalling a cycle
  39. 39.💪 Is closing a drawer a push or a pull? (a) a push (b) a pull
  40. 40.Which of these is caused by muscular force? (a) rubbing hands warms them (b) a thrown ball comes down (c) a compass needle turns (d) pedalling a cycle

Answer key

  1. False
  2. 100
  3. friction
  4. lifting a school bag
  5. a push
  6. 10
  7. push or a pull
  8. newton (N)
  9. 100
  10. 14
  11. True
  12. a pull
  13. 80
  14. a pull
  15. 170
  16. 115
  17. True
  18. True
  19. 10
  20. 40
  21. gravity
  22. 45
  23. True
  24. an apple falls down
  25. 95
  26. True
  27. friction
  28. True
  29. to the left
  30. 58
  31. gravity
  32. change its colour
  33. a push
  34. 550
  35. a push
  36. a pull
  37. gravity
  38. rain falls to the ground
  39. a push
  40. pedalling a cycle

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