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Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 369 · 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 can a force NOT do? (a) stop it moving (b) change its shape (c) change its colour (d) start it moving
  2. 2.True or false: drawing up a well bucket is a push. (a) False (b) True
  3. 3.💪 Which force is at work: rain falls to the ground? (a) friction (b) magnetic force (c) gravity (d) muscular force
  4. 4.💪 Two children push a box to the right, one with 15 N and the other with 5 N. What is the net (total) force on the box, in newtons?
  5. 5.💪 A cart is pulled to the right with 65 N and to the left with 75 N. Which way does the net force act? (a) no net force (b) to the right (c) to the left
  6. 6.True or false: drawing up a well bucket is a pull. (a) True (b) False
  7. 7.💪 Is drawing up a well bucket a push or a pull? (a) a pull (b) a push
  8. 8.💪 A box weighs 520 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  9. 9.True or false: pulling a cart is a pull. (a) False (b) True
  10. 10.💪 Is pulling a cart a push or a pull? (a) a pull (b) a push
  11. 11.💪 A cart is pulled to the right with 100 N and to the left with 110 N. Which way does the net force act? (a) to the left (b) no net force (c) to the right
  12. 12.💪 Two children push a box to the right, one with 100 N and the other with 80 N. What is the net (total) force on the box, in newtons?
  13. 13.💪 A box weighs 110 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  14. 14.💪 Which force is at work: rubbing hands warms them? (a) gravity (b) magnetic force (c) friction (d) muscular force
  15. 15.True or false: opening a drawer is a pull. (a) False (b) True
  16. 16.True or false: plucking a mango is a pull. (a) False (b) True
  17. 17.💪 A box weighs 20 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  18. 18.True or false: a tug of war is a push. (a) True (b) False
  19. 19.True or false: kicking a football is a pull. (a) False (b) True
  20. 20.💪 Two children push a box to the right, one with 30 N and the other with 75 N. What is the net (total) force on the box, in newtons?
  21. 21.💪 In which unit do we measure force? (a) newton (N) (b) metre (m) (c) litre (L) (d) second (s)
  22. 22.💪 A bag has a mass of 3 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  23. 23.💪 A bag has a mass of 40 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  24. 24.💪 In a tug of war, one team pulls right with 70 N and the other pulls left with 30 N. What is the size of the net force, in newtons?
  25. 25.True or false: pushing a trolley is a pull. (a) False (b) True
  26. 26.💪 Which force is at work: a compass needle turns? (a) friction (b) magnetic force (c) gravity (d) muscular force
  27. 27.💪 A cart is pulled to the right with 35 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
  28. 28.💪 Which force is at work: pedalling a cycle? (a) magnetic force (b) muscular force (c) friction (d) gravity
  29. 29.💪 A bag has a mass of 8 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  30. 30.💪 Is plucking a mango a push or a pull? (a) a pull (b) a push
  31. 31.💪 In a tug of war, one team pulls right with 65 N and the other pulls left with 60 N. What is the size of the net force, in newtons?
  32. 32.💪 A force is a … (a) kind of colour (b) push or a pull (c) type of sound (d) unit of time
  33. 33.💪 Is pulling up your socks a push or a pull? (a) a pull (b) a push
  34. 34.Which of these is caused by magnetic force? (a) rain falls to the ground (b) a thrown ball comes down (c) a compass needle turns (d) brakes stop a bicycle
  35. 35.💪 Is closing a drawer a push or a pull? (a) a push (b) a pull
  36. 36.Which of these is caused by muscular force? (a) a magnet picks up pins (b) rubbing hands warms them (c) a compass needle turns (d) squeezing a lemon
  37. 37.💪 Is a tug of war a push or a pull? (a) a push (b) a pull
  38. 38.Which of these is caused by gravity? (a) a river flows downhill (b) a rolling ball slows (c) squeezing a lemon (d) brakes stop a bicycle
  39. 39.Which of these is caused by magnetic force? (a) a fridge magnet sticks (b) brakes stop a bicycle (c) shoes grip the floor (d) lifting a school bag
  40. 40.💪 Is hitting a cricket ball a push or a pull? (a) a pull (b) a push

Answer key

  1. change its colour
  2. False
  3. gravity
  4. 20
  5. to the left
  6. True
  7. a pull
  8. 52
  9. True
  10. a pull
  11. to the left
  12. 180
  13. 11
  14. friction
  15. True
  16. True
  17. 2
  18. False
  19. False
  20. 105
  21. newton (N)
  22. 30
  23. 400
  24. 40
  25. False
  26. magnetic force
  27. to the left
  28. muscular force
  29. 80
  30. a pull
  31. 5
  32. push or a pull
  33. a pull
  34. a compass needle turns
  35. a push
  36. squeezing a lemon
  37. a pull
  38. a river flows downhill
  39. a fridge magnet sticks
  40. a push

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