← Forces: push, pull and gravity lesson New set →

Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 377 · 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 can a force NOT do? (a) start it moving (b) change its colour (c) change its shape (d) stop it moving
  2. 2.💪 Is kicking a football a push or a pull? (a) a push (b) a pull
  3. 3.💪 A box weighs 390 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  4. 4.💪 Which force is at work: rain falls to the ground? (a) muscular force (b) friction (c) magnetic force (d) gravity
  5. 5.💪 In a tug of war, one team pulls right with 20 N and the other pulls left with 15 N. What is the size of the net force, in newtons?
  6. 6.💪 In a tug of war, one team pulls left with 50 N and the other pulls right with 5 N. What is the size of the net force, in newtons?
  7. 7.💪 Which force is at work: brakes stop a bicycle? (a) muscular force (b) gravity (c) magnetic force (d) friction
  8. 8.💪 Two children push a box to the right, one with 55 N and the other with 90 N. What is the net (total) force on the box, in newtons?
  9. 9.💪 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?
  10. 10.True or false: plucking a mango is a push. (a) True (b) False
  11. 11.💪 A bag has a mass of 54 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  12. 12.💪 In a tug of war, one team pulls left with 35 N and the other pulls right with 10 N. What is the size of the net force, in newtons?
  13. 13.💪 Which force is at work: a thrown ball comes down? (a) muscular force (b) magnetic force (c) gravity (d) friction
  14. 14.True or false: a tug of war is a push. (a) True (b) False
  15. 15.💪 A bag has a mass of 56 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  16. 16.Which of these is caused by gravity? (a) a fridge magnet sticks (b) brakes stop a bicycle (c) pedalling a cycle (d) an apple falls down
  17. 17.True or false: pushing a swing is a pull. (a) False (b) True
  18. 18.💪 A cart is pulled to the right with 25 N and to the left with 25 N. Which way does the net force act? (a) to the left (b) to the right (c) no net force
  19. 19.💪 Which force is at work: a rolling ball slows? (a) magnetic force (b) gravity (c) muscular force (d) friction
  20. 20.True or false: pressing a doorbell is a pull. (a) False (b) True
  21. 21.True or false: closing a drawer is a pull. (a) True (b) False
  22. 22.💪 A cart is pulled to the right with 65 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
  23. 23.True or false: pushing a swing is a push. (a) False (b) True
  24. 24.💪 A bag has a mass of 7 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  25. 25.Which of these is caused by friction? (a) a river flows downhill (b) an apple falls down (c) a magnet picks up pins (d) rubbing hands warms them
  26. 26.💪 In which unit do we measure force? (a) litre (L) (b) metre (m) (c) second (s) (d) newton (N)
  27. 27.💪 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?
  28. 28.True or false: drawing up a well bucket is a push. (a) True (b) False
  29. 29.💪 Which force is at work: a compass needle turns? (a) friction (b) muscular force (c) magnetic force (d) gravity
  30. 30.💪 Two children push a box to the right, one with 75 N and the other with 85 N. What is the net (total) force on the box, in newtons?
  31. 31.True or false: opening a drawer is a push. (a) True (b) False
  32. 32.💪 A cart is pulled to the right with 100 N and to the left with 100 N. Which way does the net force act? (a) to the left (b) no net force (c) to the right
  33. 33.💪 Two children push a box to the right, one with 40 N and the other with 95 N. What is the net (total) force on the box, in newtons?
  34. 34.💪 A box weighs 470 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  35. 35.💪 Which force pulls everything towards the Earth? (a) magnetism (b) friction (c) wind (d) gravity
  36. 36.💪 A bag has a mass of 42 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  37. 37.True or false: hitting a cricket ball is a push. (a) False (b) True
  38. 38.True or false: pushing a trolley is a push. (a) False (b) True
  39. 39.💪 In a tug of war, one team pulls right with 35 N and the other pulls left with 30 N. What is the size of the net force, in newtons?
  40. 40.💪 A cart is pulled to the right with 30 N and to the left with 20 N. Which way does the net force act? (a) to the left (b) to the right (c) no net force

Answer key

  1. change its colour
  2. a push
  3. 39
  4. gravity
  5. 5
  6. 45
  7. friction
  8. 145
  9. 100
  10. False
  11. 540
  12. 25
  13. gravity
  14. False
  15. 560
  16. an apple falls down
  17. False
  18. no net force
  19. friction
  20. False
  21. False
  22. to the left
  23. True
  24. 70
  25. rubbing hands warms them
  26. newton (N)
  27. 85
  28. False
  29. magnetic force
  30. 160
  31. False
  32. no net force
  33. 135
  34. 47
  35. gravity
  36. 420
  37. True
  38. True
  39. 5
  40. to the right

Free engineering lessons, practice and worksheets at talentjr.in/engineering-for-kids