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Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 98 · 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: pulling a cart is a pull. (a) False (b) True
  2. 2.💪 A force is a … (a) push or a pull (b) unit of time (c) type of sound (d) kind of colour
  3. 3.True or false: pushing a swing is a pull. (a) False (b) True
  4. 4.Which of these is caused by friction? (a) a rolling ball slows (b) a compass needle turns (c) a thrown ball comes down (d) an apple falls down
  5. 5.💪 In a tug of war, one team pulls right with 100 N and the other pulls left with 55 N. What is the size of the net force, in newtons?
  6. 6.💪 In a tug of war, one team pulls left with 90 N and the other pulls right with 35 N. What is the size of the net force, in newtons?
  7. 7.💪 In a tug of war, one team pulls left with 20 N and the other pulls right with 10 N. What is the size of the net force, in newtons?
  8. 8.💪 A box weighs 470 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 push. (a) False (b) True
  10. 10.True or false: hitting a cricket ball is a push. (a) False (b) True
  11. 11.💪 Which force pulls everything towards the Earth? (a) friction (b) wind (c) gravity (d) magnetism
  12. 12.💪 Which force is at work: shoes grip the floor? (a) friction (b) magnetic force (c) muscular force (d) gravity
  13. 13.💪 Two equal forces push on a box from opposite sides. They are … (a) gravity (b) doubled (c) unbalanced (d) balanced
  14. 14.True or false: drawing up a well bucket is a push. (a) False (b) True
  15. 15.💪 Is opening a drawer a push or a pull? (a) a pull (b) a push
  16. 16.Which of these is caused by friction? (a) rain falls to the ground (b) an apple falls down (c) squeezing a lemon (d) brakes stop a bicycle
  17. 17.💪 Is pushing a swing a push or a pull? (a) a push (b) a pull
  18. 18.💪 A bag has a mass of 47 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  19. 19.True or false: plucking a mango is a pull. (a) False (b) True
  20. 20.💪 Is pushing a trolley a push or a pull? (a) a pull (b) a push
  21. 21.True or false: a tug of war is a pull. (a) False (b) True
  22. 22.💪 Which force is at work: brakes stop a bicycle? (a) gravity (b) magnetic force (c) muscular force (d) friction
  23. 23.💪 Two children push a box to the right, one with 70 N and the other with 40 N. What is the net (total) force on the box, in newtons?
  24. 24.Which of these is caused by gravity? (a) a thrown ball comes down (b) lifting a school bag (c) a magnet picks up pins (d) shoes grip the floor
  25. 25.Which of these is caused by muscular force? (a) shoes grip the floor (b) a fridge magnet sticks (c) rain falls to the ground (d) lifting a school bag
  26. 26.💪 In which unit do we measure force? (a) second (s) (b) newton (N) (c) metre (m) (d) litre (L)
  27. 27.True or false: pulling up your socks is a pull. (a) False (b) True
  28. 28.Which of these is caused by magnetic force? (a) an apple falls down (b) brakes stop a bicycle (c) a magnet picks up pins (d) rain falls to the ground
  29. 29.💪 Is a tug of war a push or a pull? (a) a pull (b) a push
  30. 30.💪 Which force is at work: a compass needle turns? (a) muscular force (b) magnetic force (c) gravity (d) friction
  31. 31.💪 In a tug of war, one team pulls right with 15 N and the other pulls left with 5 N. What is the size of the net force, in newtons?
  32. 32.💪 Which force is at work: a thrown ball comes down? (a) magnetic force (b) friction (c) muscular force (d) gravity
  33. 33.💪 A box weighs 70 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  34. 34.True or false: kicking a football is a pull. (a) True (b) False
  35. 35.True or false: pushing a swing is a push. (a) False (b) True
  36. 36.💪 Is drawing up a well bucket a push or a pull? (a) a push (b) a pull
  37. 37.💪 Which force is at work: lifting a school bag? (a) muscular force (b) friction (c) magnetic force (d) gravity
  38. 38.True or false: plucking a mango is a push. (a) False (b) True
  39. 39.Which of these is caused by magnetic force? (a) an apple falls down (b) squeezing a lemon (c) a fridge magnet sticks (d) shoes grip the floor
  40. 40.💪 Is kicking a football a push or a pull? (a) a pull (b) a push

Answer key

  1. True
  2. push or a pull
  3. False
  4. a rolling ball slows
  5. 45
  6. 55
  7. 10
  8. 47
  9. False
  10. True
  11. gravity
  12. friction
  13. balanced
  14. False
  15. a pull
  16. brakes stop a bicycle
  17. a push
  18. 470
  19. True
  20. a push
  21. True
  22. friction
  23. 110
  24. a thrown ball comes down
  25. lifting a school bag
  26. newton (N)
  27. True
  28. a magnet picks up pins
  29. a pull
  30. magnetic force
  31. 10
  32. gravity
  33. 7
  34. False
  35. True
  36. a pull
  37. muscular force
  38. False
  39. a fridge magnet sticks
  40. a push

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