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

Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 468 · 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 of these is caused by muscular force? (a) a magnet picks up pins (b) a compass needle turns (c) brakes stop a bicycle (d) lifting a school bag
  2. 2.💪 Two equal forces push on a box from opposite sides. They are … (a) balanced (b) unbalanced (c) doubled (d) gravity
  3. 3.💪 A box weighs 380 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  4. 4.💪 Which force is at work: a rolling ball slows? (a) muscular force (b) magnetic force (c) gravity (d) friction
  5. 5.💪 In which unit do we measure force? (a) second (s) (b) litre (L) (c) newton (N) (d) metre (m)
  6. 6.True or false: pulling a cart is a push. (a) False (b) True
  7. 7.💪 Which force is at work: brakes stop a bicycle? (a) friction (b) muscular force (c) gravity (d) magnetic force
  8. 8.💪 Two children push a box to the right, one with 25 N and the other with 5 N. What is the net (total) force on the box, in newtons?
  9. 9.💪 Is hitting a cricket ball a push or a pull? (a) a pull (b) a push
  10. 10.💪 A bag has a mass of 5 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  11. 11.Which of these is caused by magnetic force? (a) a compass needle turns (b) rubbing hands warms them (c) lifting a school bag (d) a thrown ball comes down
  12. 12.💪 Which can a force NOT do? (a) start it moving (b) change its colour (c) stop it moving (d) change its shape
  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.True or false: hitting a cricket ball is a pull. (a) True (b) False
  15. 15.💪 Two children push a box to the right, one with 55 N and the other with 100 N. What is the net (total) force on the box, in newtons?
  16. 16.💪 Is opening a drawer a push or a pull? (a) a push (b) a pull
  17. 17.True or false: drawing up a well bucket is a push. (a) True (b) False
  18. 18.💪 In a tug of war, one team pulls left with 100 N and the other pulls right with 15 N. What is the size of the net force, in newtons?
  19. 19.💪 Two children push a box to the right, one with 45 N and the other with 50 N. What is the net (total) force on the box, in newtons?
  20. 20.💪 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 left (c) to the right
  21. 21.💪 A cart is pulled to the right with 30 N and to the left with 35 N. Which way does the net force act? (a) to the right (b) to the left (c) no net force
  22. 22.💪 Two children push a box to the right, one with 75 N and the other with 90 N. What is the net (total) force on the box, in newtons?
  23. 23.💪 Is closing a drawer a push or a pull? (a) a pull (b) a push
  24. 24.💪 Is drawing up a well bucket a push or a pull? (a) a pull (b) a push
  25. 25.True or false: opening a drawer is a pull. (a) False (b) True
  26. 26.Which of these is caused by gravity? (a) lifting a school bag (b) a rolling ball slows (c) a thrown ball comes down (d) rubbing hands warms them
  27. 27.💪 In a tug of war, one team pulls left with 25 N and the other pulls right with 20 N. What is the size of the net force, in newtons?
  28. 28.💪 Which force is at work: an apple falls down? (a) gravity (b) magnetic force (c) muscular force (d) friction
  29. 29.💪 A bag has a mass of 7 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  30. 30.💪 Two children push a box to the right, one with 25 N and the other with 85 N. What is the net (total) force on the box, in newtons?
  31. 31.💪 Two children push a box to the right, one with 20 N and the other with 15 N. What is the net (total) force on the box, in newtons?
  32. 32.💪 Is pulling up your socks a push or a pull? (a) a pull (b) a push
  33. 33.Which of these is caused by friction? (a) a rolling ball slows (b) lifting a school bag (c) rain falls to the ground (d) an apple falls down
  34. 34.True or false: pulling a cart is a pull. (a) True (b) False
  35. 35.True or false: pulling up your socks is a push. (a) True (b) False
  36. 36.Which of these is caused by muscular force? (a) squeezing a lemon (b) a magnet picks up pins (c) rubbing hands warms them (d) a rolling ball slows
  37. 37.💪 Is kicking a football a push or a pull? (a) a pull (b) a push
  38. 38.💪 Which force is at work: a fridge magnet sticks? (a) friction (b) gravity (c) muscular force (d) magnetic force
  39. 39.💪 In a tug of war, one team pulls left with 100 N and the other pulls right with 95 N. What is the size of the net force, in newtons?
  40. 40.💪 Which force is at work: pedalling a cycle? (a) friction (b) muscular force (c) magnetic force (d) gravity

Answer key

  1. lifting a school bag
  2. balanced
  3. 38
  4. friction
  5. newton (N)
  6. False
  7. friction
  8. 30
  9. a push
  10. 50
  11. a compass needle turns
  12. change its colour
  13. 250
  14. False
  15. 155
  16. a pull
  17. False
  18. 85
  19. 95
  20. no net force
  21. to the left
  22. 165
  23. a push
  24. a pull
  25. True
  26. a thrown ball comes down
  27. 5
  28. gravity
  29. 70
  30. 110
  31. 35
  32. a pull
  33. a rolling ball slows
  34. True
  35. False
  36. squeezing a lemon
  37. a push
  38. magnetic force
  39. 5
  40. muscular force

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