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Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 15 · 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) push or a pull (b) type of sound (c) kind of colour (d) unit of time
  2. 2.💪 Is closing a drawer a push or a pull? (a) a pull (b) a push
  3. 3.💪 A box weighs 220 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  4. 4.💪 Which force is at work: a compass needle turns? (a) muscular force (b) friction (c) gravity (d) magnetic force
  5. 5.💪 Is plucking a mango a push or a pull? (a) a push (b) a pull
  6. 6.Which of these is caused by gravity? (a) a compass needle turns (b) pedalling a cycle (c) an apple falls down (d) shoes grip the floor
  7. 7.Which of these is caused by friction? (a) an apple falls down (b) a fridge magnet sticks (c) rain falls to the ground (d) shoes grip the floor
  8. 8.💪 Which force is at work: a river flows downhill? (a) muscular force (b) friction (c) magnetic force (d) gravity
  9. 9.Which of these is caused by muscular force? (a) shoes grip the floor (b) brakes stop a bicycle (c) rain falls to the ground (d) pedalling a cycle
  10. 10.💪 A cart is pulled to the right with 80 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
  11. 11.True or false: kicking a football is a push. (a) True (b) False
  12. 12.💪 A box weighs 380 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  13. 13.💪 In a tug of war, one team pulls right with 25 N and the other pulls left with 10 N. What is the size of the net force, in newtons?
  14. 14.💪 Which force pulls everything towards the Earth? (a) wind (b) gravity (c) magnetism (d) friction
  15. 15.💪 A box weighs 390 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  16. 16.💪 In a tug of war, one team pulls right with 90 N and the other pulls left with 25 N. What is the size of the net force, in newtons?
  17. 17.Which of these is caused by magnetic force? (a) a thrown ball comes down (b) a river flows downhill (c) an apple falls down (d) a magnet picks up pins
  18. 18.💪 Is kicking a football a push or a pull? (a) a push (b) a pull
  19. 19.💪 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?
  20. 20.💪 Is pulling up your socks a push or a pull? (a) a push (b) a pull
  21. 21.💪 Two equal forces push on a box from opposite sides. They are … (a) balanced (b) unbalanced (c) doubled (d) gravity
  22. 22.💪 Is a tug of war a push or a pull? (a) a push (b) a pull
  23. 23.True or false: pressing a doorbell is a push. (a) False (b) True
  24. 24.💪 A box weighs 400 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  25. 25.💪 A bag has a mass of 2 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  26. 26.💪 A box weighs 10 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  27. 27.💪 Two children push a box to the right, one with 5 N and the other with 60 N. What is the net (total) force on the box, in newtons?
  28. 28.💪 Is pulling a cart a push or a pull? (a) a push (b) a pull
  29. 29.True or false: kicking a football is a pull. (a) True (b) False
  30. 30.💪 A cart is pulled to the right with 20 N and to the left with 20 N. Which way does the net force act? (a) no net force (b) to the left (c) to the right
  31. 31.💪 In which unit do we measure force? (a) second (s) (b) litre (L) (c) newton (N) (d) metre (m)
  32. 32.💪 A cart is pulled to the right with 65 N and to the left with 65 N. Which way does the net force act? (a) no net force (b) to the right (c) to the left
  33. 33.💪 Is opening a drawer a push or a pull? (a) a pull (b) a push
  34. 34.True or false: pushing a trolley is a push. (a) False (b) True
  35. 35.💪 In a tug of war, one team pulls right with 30 N and the other pulls left with 5 N. What is the size of the net force, in newtons?
  36. 36.Which of these is caused by gravity? (a) pedalling a cycle (b) rubbing hands warms them (c) rain falls to the ground (d) lifting a school bag
  37. 37.💪 Is drawing up a well bucket a push or a pull? (a) a push (b) a pull
  38. 38.💪 Which force is at work: brakes stop a bicycle? (a) muscular force (b) friction (c) gravity (d) magnetic force
  39. 39.True or false: pushing a trolley is a pull. (a) False (b) True
  40. 40.💪 Is pressing a doorbell a push or a pull? (a) a pull (b) a push

Answer key

  1. push or a pull
  2. a push
  3. 22
  4. magnetic force
  5. a pull
  6. an apple falls down
  7. shoes grip the floor
  8. gravity
  9. pedalling a cycle
  10. to the right
  11. True
  12. 38
  13. 15
  14. gravity
  15. 39
  16. 65
  17. a magnet picks up pins
  18. a push
  19. 75
  20. a pull
  21. balanced
  22. a pull
  23. True
  24. 40
  25. 20
  26. 1
  27. 65
  28. a pull
  29. False
  30. no net force
  31. newton (N)
  32. no net force
  33. a pull
  34. True
  35. 25
  36. rain falls to the ground
  37. a pull
  38. friction
  39. False
  40. a push

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