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Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 750 · 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.💪 A force is a … (a) type of sound (b) push or a pull (c) unit of time (d) kind of colour
  2. 2.💪 Is drawing up a well bucket a push or a pull? (a) a push (b) a pull
  3. 3.💪 Two equal forces push on a box from opposite sides. They are … (a) unbalanced (b) gravity (c) balanced (d) doubled
  4. 4.True or false: opening a drawer is a pull. (a) True (b) False
  5. 5.💪 A bag has a mass of 18 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  6. 6.💪 A bag has a mass of 33 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  7. 7.Which of these is caused by magnetic force? (a) rain falls to the ground (b) an apple falls down (c) lifting a school bag (d) a fridge magnet sticks
  8. 8.💪 Two children push a box to the right, one with 100 N and the other with 75 N. What is the net (total) force on the box, in newtons?
  9. 9.💪 Is kicking a football a push or a pull? (a) a pull (b) a push
  10. 10.💪 Two children push a box to the right, one with 30 N and the other with 100 N. What is the net (total) force on the box, in newtons?
  11. 11.💪 Is a tug of war a push or a pull? (a) a pull (b) a push
  12. 12.💪 A bag has a mass of 59 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  13. 13.💪 A bag has a mass of 11 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  14. 14.💪 Two children push a box to the right, one with 20 N and the other with 25 N. What is the net (total) force on the box, in newtons?
  15. 15.💪 Is plucking a mango a push or a pull? (a) a push (b) a pull
  16. 16.True or false: closing a drawer is a push. (a) True (b) False
  17. 17.💪 Which force is at work: a thrown ball comes down? (a) magnetic force (b) gravity (c) friction (d) muscular force
  18. 18.True or false: pulling up your socks is a pull. (a) True (b) False
  19. 19.💪 Which force is at work: brakes stop a bicycle? (a) magnetic force (b) friction (c) muscular force (d) gravity
  20. 20.💪 A bag has a mass of 49 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  21. 21.💪 Is pressing a doorbell a push or a pull? (a) a pull (b) a push
  22. 22.💪 Which can a force NOT do? (a) stop it moving (b) change its shape (c) start it moving (d) change its colour
  23. 23.💪 Is hitting a cricket ball a push or a pull? (a) a pull (b) a push
  24. 24.💪 In which unit do we measure force? (a) litre (L) (b) second (s) (c) newton (N) (d) metre (m)
  25. 25.💪 Is closing a drawer a push or a pull? (a) a push (b) a pull
  26. 26.True or false: a tug of war is a push. (a) False (b) True
  27. 27.💪 A cart is pulled to the right with 65 N and to the left with 50 N. Which way does the net force act? (a) to the left (b) to the right (c) no net force
  28. 28.💪 A cart is pulled to the right with 70 N and to the left with 65 N. Which way does the net force act? (a) to the left (b) no net force (c) to the right
  29. 29.Which of these is caused by gravity? (a) a magnet picks up pins (b) an apple falls down (c) pedalling a cycle (d) lifting a school bag
  30. 30.💪 A box weighs 400 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  31. 31.💪 A cart is pulled to the right with 30 N and to the left with 45 N. Which way does the net force act? (a) to the right (b) no net force (c) to the left
  32. 32.True or false: pushing a trolley is a pull. (a) True (b) False
  33. 33.Which of these is caused by muscular force? (a) lifting a school bag (b) a compass needle turns (c) a magnet picks up pins (d) a fridge magnet sticks
  34. 34.💪 Which force is at work: a fridge magnet sticks? (a) muscular force (b) magnetic force (c) gravity (d) friction
  35. 35.💪 Is pulling a cart a push or a pull? (a) a push (b) a pull
  36. 36.💪 Which force is at work: rain falls to the ground? (a) magnetic force (b) muscular force (c) gravity (d) friction
  37. 37.💪 Is pushing a swing a push or a pull? (a) a pull (b) a push
  38. 38.💪 Which force pulls everything towards the Earth? (a) magnetism (b) gravity (c) friction (d) wind
  39. 39.💪 A box weighs 540 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  40. 40.True or false: plucking a mango is a push. (a) False (b) True

Answer key

  1. push or a pull
  2. a pull
  3. balanced
  4. True
  5. 180
  6. 330
  7. a fridge magnet sticks
  8. 175
  9. a push
  10. 130
  11. a pull
  12. 590
  13. 110
  14. 45
  15. a pull
  16. True
  17. gravity
  18. True
  19. friction
  20. 490
  21. a push
  22. change its colour
  23. a push
  24. newton (N)
  25. a push
  26. False
  27. to the right
  28. to the right
  29. an apple falls down
  30. 40
  31. to the left
  32. False
  33. lifting a school bag
  34. magnetic force
  35. a pull
  36. gravity
  37. a push
  38. gravity
  39. 54
  40. False

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