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Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 703 · 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 a cart a push or a pull? (a) a push (b) a pull
  2. 2.True or false: pulling up your socks is a push. (a) True (b) False
  3. 3.💪 Which force is at work: rain falls to the ground? (a) friction (b) magnetic force (c) gravity (d) muscular force
  4. 4.💪 A cart is pulled to the right with 90 N and to the left with 95 N. Which way does the net force act? (a) to the left (b) to the right (c) no net force
  5. 5.💪 Is pulling up your socks a push or a pull? (a) a push (b) a pull
  6. 6.💪 Two children push a box to the right, one with 60 N and the other with 95 N. What is the net (total) force on the box, in newtons?
  7. 7.True or false: pulling up your socks is a pull. (a) False (b) True
  8. 8.True or false: closing a drawer is a push. (a) True (b) False
  9. 9.💪 A cart is pulled to the right with 25 N and to the left with 20 N. Which way does the net force act? (a) to the right (b) no net force (c) to the left
  10. 10.💪 A bag has a mass of 10 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  11. 11.💪 Is hitting a cricket ball a push or a pull? (a) a pull (b) a push
  12. 12.💪 Two equal forces push on a box from opposite sides. They are … (a) balanced (b) unbalanced (c) gravity (d) doubled
  13. 13.💪 A bag has a mass of 25 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  14. 14.Which of these is caused by muscular force? (a) pedalling a cycle (b) a magnet picks up pins (c) a compass needle turns (d) a fridge magnet sticks
  15. 15.Which of these is caused by muscular force? (a) rubbing hands warms them (b) rain falls to the ground (c) lifting a school bag (d) an apple falls down
  16. 16.True or false: hitting a cricket ball is a pull. (a) False (b) True
  17. 17.💪 A cart is pulled to the right with 35 N and to the left with 40 N. Which way does the net force act? (a) to the left (b) no net force (c) to the right
  18. 18.Which of these is caused by magnetic force? (a) rubbing hands warms them (b) a fridge magnet sticks (c) lifting a school bag (d) a rolling ball slows
  19. 19.💪 In a tug of war, one team pulls right with 85 N and the other pulls left with 50 N. What is the size of the net force, in newtons?
  20. 20.💪 In a tug of war, one team pulls left with 90 N and the other pulls right with 25 N. What is the size of the net force, in newtons?
  21. 21.💪 Which force is at work: a thrown ball comes down? (a) muscular force (b) magnetic force (c) gravity (d) friction
  22. 22.💪 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 right (b) to the left (c) no net force
  23. 23.💪 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?
  24. 24.💪 Which can a force NOT do? (a) change its colour (b) stop it moving (c) change its shape (d) start it moving
  25. 25.💪 Which force is at work: a fridge magnet sticks? (a) friction (b) gravity (c) magnetic force (d) muscular force
  26. 26.💪 A box weighs 40 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  27. 27.💪 Which force pulls everything towards the Earth? (a) magnetism (b) wind (c) gravity (d) friction
  28. 28.💪 A bag has a mass of 9 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  29. 29.💪 Is pushing a trolley a push or a pull? (a) a push (b) a pull
  30. 30.💪 Which force is at work: lifting a school bag? (a) muscular force (b) friction (c) magnetic force (d) gravity
  31. 31.💪 Is pressing a doorbell a push or a pull? (a) a pull (b) a push
  32. 32.💪 A box weighs 380 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  33. 33.💪 A cart is pulled to the right with 55 N and to the left with 60 N. Which way does the net force act? (a) to the right (b) no net force (c) to the left
  34. 34.💪 Two children push a box to the right, one with 85 N and the other with 95 N. What is the net (total) force on the box, in newtons?
  35. 35.💪 Which force is at work: a rolling ball slows? (a) friction (b) gravity (c) magnetic force (d) muscular force
  36. 36.💪 Which force is at work: an apple falls down? (a) magnetic force (b) friction (c) muscular force (d) gravity
  37. 37.True or false: pushing a swing is a push. (a) False (b) True
  38. 38.Which of these is caused by friction? (a) squeezing a lemon (b) brakes stop a bicycle (c) a river flows downhill (d) a thrown ball comes down
  39. 39.💪 In a tug of war, one team pulls left with 85 N and the other pulls right with 15 N. What is the size of the net force, in newtons?
  40. 40.💪 Is kicking a football a push or a pull? (a) a pull (b) a push

Answer key

  1. a pull
  2. False
  3. gravity
  4. to the left
  5. a pull
  6. 155
  7. True
  8. True
  9. to the right
  10. 100
  11. a push
  12. balanced
  13. 250
  14. pedalling a cycle
  15. lifting a school bag
  16. False
  17. to the left
  18. a fridge magnet sticks
  19. 35
  20. 65
  21. gravity
  22. to the left
  23. 105
  24. change its colour
  25. magnetic force
  26. 4
  27. gravity
  28. 90
  29. a push
  30. muscular force
  31. a push
  32. 38
  33. to the left
  34. 180
  35. friction
  36. gravity
  37. True
  38. brakes stop a bicycle
  39. 70
  40. a push

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