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Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 861 · 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.💪 Is pushing a trolley a push or a pull? (a) a push (b) a pull
  2. 2.True or false: pushing a swing is a pull. (a) False (b) True
  3. 3.💪 A force is a … (a) kind of colour (b) unit of time (c) push or a pull (d) type of sound
  4. 4.True or false: a tug of war is a pull. (a) False (b) True
  5. 5.💪 Is closing a drawer a push or a pull? (a) a pull (b) a push
  6. 6.💪 A box weighs 170 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  7. 7.💪 Two children push a box to the right, one with 95 N and the other with 20 N. What is the net (total) force on the box, in newtons?
  8. 8.True or false: pulling a cart is a pull. (a) True (b) False
  9. 9.True or false: plucking a mango is a push. (a) False (b) True
  10. 10.💪 A bag has a mass of 32 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  11. 11.True or false: opening a drawer is a pull. (a) True (b) False
  12. 12.💪 Which force pulls everything towards the Earth? (a) wind (b) gravity (c) magnetism (d) friction
  13. 13.💪 Which force is at work: rain falls to the ground? (a) muscular force (b) gravity (c) magnetic force (d) friction
  14. 14.💪 Which force is at work: shoes grip the floor? (a) friction (b) magnetic force (c) muscular force (d) gravity
  15. 15.💪 A box weighs 430 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  16. 16.💪 A box weighs 500 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  17. 17.💪 Two equal forces push on a box from opposite sides. They are … (a) unbalanced (b) gravity (c) doubled (d) balanced
  18. 18.💪 Two children push a box to the right, one with 15 N and the other with 60 N. What is the net (total) force on the box, in newtons?
  19. 19.💪 Is plucking a mango a push or a pull? (a) a push (b) a pull
  20. 20.True or false: pushing a swing is a push. (a) True (b) False
  21. 21.💪 A bag has a mass of 50 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  22. 22.💪 A box weighs 330 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  23. 23.💪 Two children push a box to the right, one with 80 N and the other with 100 N. What is the net (total) force on the box, in newtons?
  24. 24.💪 In which unit do we measure force? (a) metre (m) (b) newton (N) (c) second (s) (d) litre (L)
  25. 25.💪 A bag has a mass of 24 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  26. 26.True or false: pressing a doorbell is a push. (a) False (b) True
  27. 27.Which of these is caused by gravity? (a) pedalling a cycle (b) a magnet picks up pins (c) a river flows downhill (d) a fridge magnet sticks
  28. 28.Which of these is caused by muscular force? (a) a river flows downhill (b) a rolling ball slows (c) a thrown ball comes down (d) pedalling a cycle
  29. 29.💪 Is a tug of war a push or a pull? (a) a push (b) a pull
  30. 30.💪 Which force is at work: a thrown ball comes down? (a) gravity (b) friction (c) magnetic force (d) muscular force
  31. 31.Which of these is caused by magnetic force? (a) brakes stop a bicycle (b) rain falls to the ground (c) shoes grip the floor (d) a fridge magnet sticks
  32. 32.💪 Which force is at work: lifting a school bag? (a) muscular force (b) gravity (c) friction (d) magnetic force
  33. 33.True or false: hitting a cricket ball is a pull. (a) False (b) True
  34. 34.💪 A box weighs 50 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  35. 35.💪 Which force is at work: rubbing hands warms them? (a) magnetic force (b) gravity (c) muscular force (d) friction
  36. 36.True or false: pressing a doorbell is a pull. (a) False (b) True
  37. 37.💪 A box weighs 110 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  38. 38.💪 Which force is at work: a magnet picks up pins? (a) muscular force (b) friction (c) magnetic force (d) gravity
  39. 39.True or false: kicking a football is a pull. (a) True (b) False
  40. 40.Which of these is caused by muscular force? (a) rubbing hands warms them (b) a rolling ball slows (c) brakes stop a bicycle (d) squeezing a lemon

Answer key

  1. a push
  2. False
  3. push or a pull
  4. True
  5. a push
  6. 17
  7. 115
  8. True
  9. False
  10. 320
  11. True
  12. gravity
  13. gravity
  14. friction
  15. 43
  16. 50
  17. balanced
  18. 75
  19. a pull
  20. True
  21. 500
  22. 33
  23. 180
  24. newton (N)
  25. 240
  26. True
  27. a river flows downhill
  28. pedalling a cycle
  29. a pull
  30. gravity
  31. a fridge magnet sticks
  32. muscular force
  33. False
  34. 5
  35. friction
  36. False
  37. 11
  38. magnetic force
  39. False
  40. squeezing a lemon

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