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Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 668 · 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 kicking a football a push or a pull? (a) a pull (b) a push
  2. 2.True or false: plucking a mango is a pull. (a) True (b) False
  3. 3.💪 Is pulling a cart a push or a pull? (a) a pull (b) a push
  4. 4.💪 A cart is pulled to the right with 35 N and to the left with 30 N. Which way does the net force act? (a) no net force (b) to the left (c) to the right
  5. 5.💪 A cart is pulled to the right with 75 N and to the left with 75 N. Which way does the net force act? (a) to the left (b) to the right (c) no net force
  6. 6.💪 Which can a force NOT do? (a) start it moving (b) change its colour (c) change its shape (d) stop it moving
  7. 7.💪 In a tug of war, one team pulls left with 40 N and the other pulls right with 5 N. What is the size of the net force, in newtons?
  8. 8.💪 Is drawing up a well bucket a push or a pull? (a) a push (b) a pull
  9. 9.Which of these is caused by gravity? (a) a fridge magnet sticks (b) lifting a school bag (c) squeezing a lemon (d) a river flows downhill
  10. 10.True or false: pulling up your socks is a pull. (a) True (b) False
  11. 11.Which of these is caused by muscular force? (a) squeezing a lemon (b) a rolling ball slows (c) an apple falls down (d) a fridge magnet sticks
  12. 12.💪 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) no net force (c) to the right
  13. 13.💪 Is pushing a swing a push or a pull? (a) a pull (b) a push
  14. 14.True or false: opening a drawer is a push. (a) True (b) False
  15. 15.True or false: pulling up your socks is a push. (a) False (b) True
  16. 16.💪 Which force is at work: squeezing a lemon? (a) gravity (b) muscular force (c) magnetic force (d) friction
  17. 17.True or false: hitting a cricket ball is a push. (a) False (b) True
  18. 18.True or false: opening a drawer is a pull. (a) False (b) True
  19. 19.💪 Two children push a box to the right, one with 25 N and the other with 20 N. What is the net (total) force on the box, in newtons?
  20. 20.💪 A force is a … (a) kind of colour (b) type of sound (c) push or a pull (d) unit of time
  21. 21.💪 A bag has a mass of 56 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  22. 22.💪 Is hitting a cricket ball a push or a pull? (a) a pull (b) a push
  23. 23.💪 A bag has a mass of 16 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  24. 24.💪 Which force is at work: rain falls to the ground? (a) magnetic force (b) muscular force (c) gravity (d) friction
  25. 25.True or false: drawing up a well bucket is a pull. (a) True (b) False
  26. 26.💪 Two equal forces push on a box from opposite sides. They are … (a) balanced (b) unbalanced (c) doubled (d) gravity
  27. 27.True or false: closing a drawer is a pull. (a) False (b) True
  28. 28.💪 In which unit do we measure force? (a) metre (m) (b) second (s) (c) litre (L) (d) newton (N)
  29. 29.💪 A box weighs 570 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  30. 30.True or false: pushing a trolley is a pull. (a) True (b) False
  31. 31.💪 Is pushing a trolley a push or a pull? (a) a push (b) a pull
  32. 32.💪 A cart is pulled to the right with 80 N and to the left with 65 N. Which way does the net force act? (a) to the right (b) to the left (c) no net force
  33. 33.True or false: pushing a swing is a push. (a) True (b) False
  34. 34.💪 Two children push a box to the right, one with 25 N and the other with 55 N. What is the net (total) force on the box, in newtons?
  35. 35.💪 In a tug of war, one team pulls right with 45 N and the other pulls left with 25 N. What is the size of the net force, in newtons?
  36. 36.💪 Two children push a box to the right, one with 20 N and the other with 65 N. What is the net (total) force on the box, in newtons?
  37. 37.💪 Is pressing a doorbell a push or a pull? (a) a pull (b) a push
  38. 38.💪 Is a tug of war a push or a pull? (a) a pull (b) a push
  39. 39.True or false: kicking a football is a push. (a) False (b) True
  40. 40.💪 A bag has a mass of 11 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?

Answer key

  1. a push
  2. True
  3. a pull
  4. to the right
  5. no net force
  6. change its colour
  7. 35
  8. a pull
  9. a river flows downhill
  10. True
  11. squeezing a lemon
  12. to the left
  13. a push
  14. False
  15. False
  16. muscular force
  17. True
  18. True
  19. 45
  20. push or a pull
  21. 560
  22. a push
  23. 160
  24. gravity
  25. True
  26. balanced
  27. False
  28. newton (N)
  29. 57
  30. False
  31. a push
  32. to the right
  33. True
  34. 80
  35. 20
  36. 85
  37. a push
  38. a pull
  39. True
  40. 110

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