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Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 715 · 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 pulling up your socks a push or a pull? (a) a push (b) a pull
  2. 2.Which of these is caused by friction? (a) rain falls to the ground (b) lifting a school bag (c) a rolling ball slows (d) an apple falls down
  3. 3.💪 Which can a force NOT do? (a) change its colour (b) start it moving (c) stop it moving (d) change its shape
  4. 4.💪 Which force is at work: shoes grip the floor? (a) friction (b) gravity (c) muscular force (d) magnetic force
  5. 5.💪 A bag has a mass of 53 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  6. 6.Which of these is caused by muscular force? (a) lifting a school bag (b) a compass needle turns (c) a fridge magnet sticks (d) rubbing hands warms them
  7. 7.💪 In which unit do we measure force? (a) litre (L) (b) second (s) (c) metre (m) (d) newton (N)
  8. 8.True or false: kicking a football is a pull. (a) True (b) False
  9. 9.Which of these is caused by friction? (a) rubbing hands warms them (b) rain falls to the ground (c) a magnet picks up pins (d) a compass needle turns
  10. 10.💪 A box weighs 550 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  11. 11.💪 A box weighs 60 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  12. 12.💪 A box weighs 130 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  13. 13.True or false: drawing up a well bucket is a pull. (a) False (b) True
  14. 14.Which of these is caused by friction? (a) a compass needle turns (b) a fridge magnet sticks (c) brakes stop a bicycle (d) pedalling a cycle
  15. 15.Which of these is caused by magnetic force? (a) a fridge magnet sticks (b) squeezing a lemon (c) brakes stop a bicycle (d) a thrown ball comes down
  16. 16.💪 A force is a … (a) type of sound (b) unit of time (c) push or a pull (d) kind of colour
  17. 17.💪 A box weighs 270 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  18. 18.Which of these is caused by muscular force? (a) a compass needle turns (b) a rolling ball slows (c) brakes stop a bicycle (d) squeezing a lemon
  19. 19.💪 In a tug of war, one team pulls right with 20 N and the other pulls left with 10 N. What is the size of the net force, in newtons?
  20. 20.💪 Two children push a box to the right, one with 90 N and the other with 10 N. What is the net (total) force on the box, in newtons?
  21. 21.💪 Is kicking a football a push or a pull? (a) a pull (b) a push
  22. 22.Which of these is caused by muscular force? (a) rubbing hands warms them (b) a river flows downhill (c) shoes grip the floor (d) pedalling a cycle
  23. 23.Which of these is caused by friction? (a) rain falls to the ground (b) a river flows downhill (c) shoes grip the floor (d) an apple falls down
  24. 24.💪 In a tug of war, one team pulls right with 45 N and the other pulls left with 20 N. What is the size of the net force, in newtons?
  25. 25.💪 A box weighs 90 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  26. 26.💪 Is closing a drawer a push or a pull? (a) a pull (b) a push
  27. 27.Which of these is caused by gravity? (a) squeezing a lemon (b) an apple falls down (c) pedalling a cycle (d) a fridge magnet sticks
  28. 28.💪 A cart is pulled to the right with 90 N and to the left with 100 N. Which way does the net force act? (a) to the right (b) no net force (c) to the left
  29. 29.True or false: pulling up your socks is a pull. (a) True (b) False
  30. 30.💪 A cart is pulled to the right with 50 N and to the left with 60 N. Which way does the net force act? (a) to the left (b) no net force (c) to the right
  31. 31.💪 Two children push a box to the right, one with 15 N and the other with 90 N. What is the net (total) force on the box, in newtons?
  32. 32.💪 In a tug of war, one team pulls right with 15 N and the other pulls left with 10 N. What is the size of the net force, in newtons?
  33. 33.💪 A bag has a mass of 5 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  34. 34.💪 Which force is at work: a rolling ball slows? (a) friction (b) muscular force (c) magnetic force (d) gravity
  35. 35.💪 Two children push a box to the right, one with 55 N and the other with 25 N. What is the net (total) force on the box, in newtons?
  36. 36.True or false: pushing a trolley is a push. (a) False (b) True
  37. 37.True or false: kicking a football is a push. (a) True (b) False
  38. 38.True or false: pushing a swing is a pull. (a) True (b) False
  39. 39.💪 A bag has a mass of 54 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  40. 40.💪 A cart is pulled to the right with 25 N and to the left with 35 N. Which way does the net force act? (a) to the left (b) to the right (c) no net force

Answer key

  1. a pull
  2. a rolling ball slows
  3. change its colour
  4. friction
  5. 530
  6. lifting a school bag
  7. newton (N)
  8. False
  9. rubbing hands warms them
  10. 55
  11. 6
  12. 13
  13. True
  14. brakes stop a bicycle
  15. a fridge magnet sticks
  16. push or a pull
  17. 27
  18. squeezing a lemon
  19. 10
  20. 100
  21. a push
  22. pedalling a cycle
  23. shoes grip the floor
  24. 25
  25. 9
  26. a push
  27. an apple falls down
  28. to the left
  29. True
  30. to the left
  31. 105
  32. 5
  33. 50
  34. friction
  35. 80
  36. True
  37. True
  38. False
  39. 540
  40. to the left

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