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Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 601 · 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 force is at work: an apple falls down? (a) magnetic force (b) friction (c) muscular force (d) gravity
  2. 2.Which of these is caused by friction? (a) a river flows downhill (b) a compass needle turns (c) an apple falls down (d) a rolling ball slows
  3. 3.💪 In which unit do we measure force? (a) second (s) (b) newton (N) (c) metre (m) (d) litre (L)
  4. 4.True or false: pulling a cart is a push. (a) False (b) True
  5. 5.Which of these is caused by gravity? (a) a magnet picks up pins (b) a river flows downhill (c) shoes grip the floor (d) pedalling a cycle
  6. 6.💪 A cart is pulled to the right with 20 N and to the left with 30 N. Which way does the net force act? (a) to the left (b) to the right (c) no net force
  7. 7.💪 In a tug of war, one team pulls right with 30 N and the other pulls left with 15 N. What is the size of the net force, in newtons?
  8. 8.💪 A force is a … (a) push or a pull (b) kind of colour (c) unit of time (d) type of sound
  9. 9.💪 Which force pulls everything towards the Earth? (a) wind (b) gravity (c) magnetism (d) friction
  10. 10.💪 Which force is at work: a thrown ball comes down? (a) magnetic force (b) gravity (c) muscular force (d) friction
  11. 11.💪 A box weighs 100 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  12. 12.💪 A box weighs 150 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  13. 13.Which of these is caused by muscular force? (a) lifting a school bag (b) a river flows downhill (c) a rolling ball slows (d) a fridge magnet sticks
  14. 14.Which of these is caused by magnetic force? (a) a rolling ball slows (b) pedalling a cycle (c) a compass needle turns (d) brakes stop a bicycle
  15. 15.💪 Which force is at work: rubbing hands warms them? (a) friction (b) magnetic force (c) gravity (d) muscular force
  16. 16.💪 A bag has a mass of 7 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  17. 17.💪 Is plucking a mango a push or a pull? (a) a push (b) a pull
  18. 18.💪 Is opening a drawer a push or a pull? (a) a push (b) a pull
  19. 19.Which of these is caused by friction? (a) an apple falls down (b) rubbing hands warms them (c) a magnet picks up pins (d) a river flows downhill
  20. 20.💪 Which force is at work: a river flows downhill? (a) muscular force (b) gravity (c) magnetic force (d) friction
  21. 21.💪 Is pushing a trolley a push or a pull? (a) a pull (b) a push
  22. 22.💪 Is closing a drawer a push or a pull? (a) a pull (b) a push
  23. 23.True or false: pushing a swing is a pull. (a) False (b) True
  24. 24.💪 Is a tug of war a push or a pull? (a) a pull (b) a push
  25. 25.💪 Which force is at work: a rolling ball slows? (a) magnetic force (b) gravity (c) muscular force (d) friction
  26. 26.💪 A bag has a mass of 3 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  27. 27.💪 In a tug of war, one team pulls left with 30 N and the other pulls right with 5 N. What is the size of the net force, in newtons?
  28. 28.💪 Which force is at work: pedalling a cycle? (a) magnetic force (b) friction (c) gravity (d) muscular force
  29. 29.💪 Is pulling a cart a push or a pull? (a) a pull (b) a push
  30. 30.💪 Which force is at work: shoes grip the floor? (a) gravity (b) muscular force (c) friction (d) magnetic force
  31. 31.Which of these is caused by gravity? (a) a rolling ball slows (b) squeezing a lemon (c) rain falls to the ground (d) shoes grip the floor
  32. 32.💪 Is kicking a football a push or a pull? (a) a pull (b) a push
  33. 33.💪 In a tug of war, one team pulls right with 90 N and the other pulls left with 60 N. What is the size of the net force, in newtons?
  34. 34.True or false: closing a drawer is a push. (a) True (b) False
  35. 35.Which of these is caused by muscular force? (a) pedalling a cycle (b) a thrown ball comes down (c) brakes stop a bicycle (d) rain falls to the ground
  36. 36.True or false: opening a drawer is a pull. (a) True (b) False
  37. 37.💪 A box weighs 430 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  38. 38.💪 A box weighs 60 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  39. 39.Which of these is caused by gravity? (a) a thrown ball comes down (b) lifting a school bag (c) rubbing hands warms them (d) a magnet picks up pins
  40. 40.Which of these is caused by gravity? (a) shoes grip the floor (b) an apple falls down (c) pedalling a cycle (d) a fridge magnet sticks

Answer key

  1. gravity
  2. a rolling ball slows
  3. newton (N)
  4. False
  5. a river flows downhill
  6. to the left
  7. 15
  8. push or a pull
  9. gravity
  10. gravity
  11. 10
  12. 15
  13. lifting a school bag
  14. a compass needle turns
  15. friction
  16. 70
  17. a pull
  18. a pull
  19. rubbing hands warms them
  20. gravity
  21. a push
  22. a push
  23. False
  24. a pull
  25. friction
  26. 30
  27. 25
  28. muscular force
  29. a pull
  30. friction
  31. rain falls to the ground
  32. a push
  33. 30
  34. True
  35. pedalling a cycle
  36. True
  37. 43
  38. 6
  39. a thrown ball comes down
  40. an apple falls down

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