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Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 27 · 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 pulls everything towards the Earth? (a) friction (b) wind (c) magnetism (d) gravity
  2. 2.💪 In a tug of war, one team pulls left with 40 N and the other pulls right with 10 N. What is the size of the net force, in newtons?
  3. 3.💪 Which force is at work: a rolling ball slows? (a) gravity (b) friction (c) muscular force (d) magnetic force
  4. 4.💪 Which force is at work: a fridge magnet sticks? (a) muscular force (b) gravity (c) friction (d) magnetic force
  5. 5.Which of these is caused by magnetic force? (a) rain falls to the ground (b) lifting a school bag (c) shoes grip the floor (d) a fridge magnet sticks
  6. 6.💪 Which force is at work: squeezing a lemon? (a) friction (b) gravity (c) magnetic force (d) muscular force
  7. 7.💪 Is pushing a swing a push or a pull? (a) a push (b) a pull
  8. 8.💪 Is pulling a cart a push or a pull? (a) a push (b) a pull
  9. 9.💪 Two children push a box to the right, one with 95 N and the other with 95 N. What is the net (total) force on the box, in newtons?
  10. 10.💪 A cart is pulled to the right with 70 N and to the left with 65 N. Which way does the net force act? (a) to the left (b) no net force (c) to the right
  11. 11.💪 Two children push a box to the right, one with 5 N and the other with 50 N. What is the net (total) force on the box, in newtons?
  12. 12.💪 Which force is at work: a river flows downhill? (a) magnetic force (b) gravity (c) muscular force (d) friction
  13. 13.💪 In a tug of war, one team pulls right with 50 N and the other pulls left with 25 N. What is the size of the net force, in newtons?
  14. 14.💪 A cart is pulled to the right with 80 N and to the left with 90 N. Which way does the net force act? (a) to the right (b) no net force (c) to the left
  15. 15.💪 Which force is at work: pedalling a cycle? (a) friction (b) gravity (c) muscular force (d) magnetic force
  16. 16.💪 In a tug of war, one team pulls right with 100 N and the other pulls left with 20 N. What is the size of the net force, in newtons?
  17. 17.💪 Two equal forces push on a box from opposite sides. They are … (a) balanced (b) unbalanced (c) gravity (d) doubled
  18. 18.💪 Which can a force NOT do? (a) start it moving (b) change its shape (c) stop it moving (d) change its colour
  19. 19.Which of these is caused by muscular force? (a) rain falls to the ground (b) pedalling a cycle (c) an apple falls down (d) a magnet picks up pins
  20. 20.Which of these is caused by muscular force? (a) brakes stop a bicycle (b) a compass needle turns (c) lifting a school bag (d) rain falls to the ground
  21. 21.💪 In a tug of war, one team pulls right with 60 N and the other pulls left with 50 N. What is the size of the net force, in newtons?
  22. 22.💪 In which unit do we measure force? (a) metre (m) (b) second (s) (c) litre (L) (d) newton (N)
  23. 23.💪 Two children push a box to the right, one with 45 N and the other with 40 N. What is the net (total) force on the box, in newtons?
  24. 24.💪 A box weighs 330 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  25. 25.💪 Is hitting a cricket ball a push or a pull? (a) a pull (b) a push
  26. 26.Which of these is caused by muscular force? (a) squeezing a lemon (b) an apple falls down (c) a thrown ball comes down (d) a river flows downhill
  27. 27.💪 Which force is at work: a compass needle turns? (a) muscular force (b) magnetic force (c) gravity (d) friction
  28. 28.💪 Is plucking a mango a push or a pull? (a) a push (b) a pull
  29. 29.💪 Is pushing a trolley a push or a pull? (a) a pull (b) a push
  30. 30.💪 A cart is pulled to the right with 30 N and to the left with 25 N. Which way does the net force act? (a) to the right (b) to the left (c) no net force
  31. 31.💪 Is opening a drawer a push or a pull? (a) a pull (b) a push
  32. 32.💪 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?
  33. 33.Which of these is caused by friction? (a) brakes stop a bicycle (b) a thrown ball comes down (c) a river flows downhill (d) an apple falls down
  34. 34.Which of these is caused by friction? (a) pedalling a cycle (b) rain falls to the ground (c) an apple falls down (d) a rolling ball slows
  35. 35.True or false: drawing up a well bucket is a push. (a) True (b) False
  36. 36.💪 A box weighs 540 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  37. 37.💪 In a tug of war, one team pulls right with 65 N and the other pulls left with 40 N. What is the size of the net force, in newtons?
  38. 38.💪 In a tug of war, one team pulls left with 40 N and the other pulls right with 20 N. What is the size of the net force, in newtons?
  39. 39.💪 A box weighs 210 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  40. 40.💪 Is kicking a football a push or a pull? (a) a push (b) a pull

Answer key

  1. gravity
  2. 30
  3. friction
  4. magnetic force
  5. a fridge magnet sticks
  6. muscular force
  7. a push
  8. a pull
  9. 190
  10. to the right
  11. 55
  12. gravity
  13. 25
  14. to the left
  15. muscular force
  16. 80
  17. balanced
  18. change its colour
  19. pedalling a cycle
  20. lifting a school bag
  21. 10
  22. newton (N)
  23. 85
  24. 33
  25. a push
  26. squeezing a lemon
  27. magnetic force
  28. a pull
  29. a push
  30. to the right
  31. a pull
  32. 15
  33. brakes stop a bicycle
  34. a rolling ball slows
  35. False
  36. 54
  37. 25
  38. 20
  39. 21
  40. a push

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