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

Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 167 · 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.💪 A bag has a mass of 17 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  2. 2.💪 Which force is at work: a compass needle turns? (a) muscular force (b) magnetic force (c) gravity (d) friction
  3. 3.True or false: kicking a football is a pull. (a) False (b) True
  4. 4.True or false: hitting a cricket ball is a push. (a) True (b) False
  5. 5.💪 Is pushing a swing a push or a pull? (a) a push (b) a pull
  6. 6.💪 A cart is pulled to the right with 45 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
  7. 7.💪 Two children push a box to the right, one with 100 N and the other with 55 N. What is the net (total) force on the box, in newtons?
  8. 8.💪 A bag has a mass of 4 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  9. 9.💪 Which force is at work: rubbing hands warms them? (a) magnetic force (b) friction (c) gravity (d) muscular force
  10. 10.💪 Which force is at work: a magnet picks up pins? (a) gravity (b) magnetic force (c) muscular force (d) friction
  11. 11.💪 Which force is at work: a river flows downhill? (a) muscular force (b) magnetic force (c) gravity (d) friction
  12. 12.True or false: pulling a cart is a pull. (a) False (b) True
  13. 13.💪 A box weighs 520 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  14. 14.💪 In a tug of war, one team pulls right with 95 N and the other pulls left with 50 N. What is the size of the net force, in newtons?
  15. 15.💪 In which unit do we measure force? (a) newton (N) (b) metre (m) (c) litre (L) (d) second (s)
  16. 16.💪 Which force is at work: squeezing a lemon? (a) muscular force (b) friction (c) gravity (d) magnetic force
  17. 17.💪 A box weighs 220 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  18. 18.💪 A cart is pulled to the right with 55 N and to the left with 55 N. Which way does the net force act? (a) no net force (b) to the right (c) to the left
  19. 19.💪 Two children push a box to the right, one with 70 N and the other with 25 N. What is the net (total) force on the box, in newtons?
  20. 20.💪 Is kicking a football a push or a pull? (a) a push (b) a pull
  21. 21.💪 Which force is at work: an apple falls down? (a) muscular force (b) magnetic force (c) friction (d) gravity
  22. 22.💪 A box weighs 590 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  23. 23.💪 Is pressing a doorbell a push or a pull? (a) a push (b) a pull
  24. 24.💪 In a tug of war, one team pulls right with 75 N and the other pulls left with 25 N. What is the size of the net force, in newtons?
  25. 25.💪 Which can a force NOT do? (a) stop it moving (b) start it moving (c) change its shape (d) change its colour
  26. 26.💪 In a tug of war, one team pulls left with 10 N and the other pulls right with 5 N. What is the size of the net force, in newtons?
  27. 27.True or false: plucking a mango is a push. (a) False (b) True
  28. 28.💪 A bag has a mass of 46 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  29. 29.💪 A box weighs 120 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  30. 30.💪 Which force is at work: lifting a school bag? (a) magnetic force (b) friction (c) gravity (d) muscular force
  31. 31.💪 A box weighs 460 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  32. 32.💪 A cart is pulled to the right with 20 N and to the left with 25 N. Which way does the net force act? (a) no net force (b) to the right (c) to the left
  33. 33.💪 A cart is pulled to the right with 85 N and to the left with 70 N. Which way does the net force act? (a) to the right (b) to the left (c) no net force
  34. 34.💪 Two children push a box to the right, one with 45 N and the other with 35 N. What is the net (total) force on the box, in newtons?
  35. 35.Which of these is caused by gravity? (a) a magnet picks up pins (b) an apple falls down (c) shoes grip the floor (d) squeezing a lemon
  36. 36.💪 Is pulling a cart a push or a pull? (a) a push (b) a pull
  37. 37.Which of these is caused by gravity? (a) shoes grip the floor (b) a river flows downhill (c) a magnet picks up pins (d) squeezing a lemon
  38. 38.💪 In a tug of war, one team pulls right with 55 N and the other pulls left with 20 N. What is the size of the net force, in newtons?
  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.Which of these is caused by magnetic force? (a) lifting a school bag (b) rain falls to the ground (c) a fridge magnet sticks (d) a river flows downhill

Answer key

  1. 170
  2. magnetic force
  3. False
  4. True
  5. a push
  6. to the right
  7. 155
  8. 40
  9. friction
  10. magnetic force
  11. gravity
  12. True
  13. 52
  14. 45
  15. newton (N)
  16. muscular force
  17. 22
  18. no net force
  19. 95
  20. a push
  21. gravity
  22. 59
  23. a push
  24. 50
  25. change its colour
  26. 5
  27. False
  28. 460
  29. 12
  30. muscular force
  31. 46
  32. to the left
  33. to the right
  34. 80
  35. an apple falls down
  36. a pull
  37. a river flows downhill
  38. 35
  39. 70
  40. a fridge magnet sticks

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