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Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 394 · 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 pull (b) a push
  3. 3.Which of these is caused by muscular force? (a) an apple falls down (b) lifting a school bag (c) brakes stop a bicycle (d) rubbing hands warms them
  4. 4.💪 Which force is at work: a fridge magnet sticks? (a) friction (b) gravity (c) muscular force (d) magnetic force
  5. 5.💪 Is pushing a swing a push or a pull? (a) a push (b) a pull
  6. 6.True or false: pressing a doorbell is a pull. (a) False (b) True
  7. 7.Which of these is caused by gravity? (a) a fridge magnet sticks (b) an apple falls down (c) rubbing hands warms them (d) squeezing a lemon
  8. 8.True or false: closing a drawer is a push. (a) True (b) False
  9. 9.💪 Is closing a drawer a push or a pull? (a) a pull (b) a push
  10. 10.💪 A cart is pulled to the right with 35 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
  11. 11.💪 Two children push a box to the right, one with 65 N and the other with 60 N. What is the net (total) force on the box, in newtons?
  12. 12.Which of these is caused by gravity? (a) a rolling ball slows (b) rain falls to the ground (c) pedalling a cycle (d) rubbing hands warms them
  13. 13.💪 Two equal forces push on a box from opposite sides. They are … (a) balanced (b) unbalanced (c) doubled (d) gravity
  14. 14.💪 Which force is at work: shoes grip the floor? (a) friction (b) magnetic force (c) gravity (d) muscular force
  15. 15.💪 Is drawing up a well bucket a push or a pull? (a) a pull (b) a push
  16. 16.💪 A box weighs 510 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  17. 17.💪 Which force is at work: lifting a school bag? (a) muscular force (b) magnetic force (c) gravity (d) friction
  18. 18.💪 Which force is at work: a magnet picks up pins? (a) muscular force (b) magnetic force (c) friction (d) gravity
  19. 19.💪 A box weighs 600 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  20. 20.💪 Is pulling up your socks a push or a pull? (a) a push (b) a pull
  21. 21.💪 Two children push a box to the right, one with 65 N and the other with 85 N. What is the net (total) force on the box, in newtons?
  22. 22.True or false: pushing a trolley is a pull. (a) True (b) False
  23. 23.💪 Is a tug of war a push or a pull? (a) a pull (b) a push
  24. 24.💪 A bag has a mass of 18 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  25. 25.💪 A box weighs 10 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  26. 26.💪 Two children push a box to the right, one with 65 N and the other with 30 N. What is the net (total) force on the box, in newtons?
  27. 27.💪 Is pressing a doorbell a push or a pull? (a) a pull (b) a push
  28. 28.True or false: pushing a swing is a pull. (a) True (b) False
  29. 29.💪 A box weighs 350 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  30. 30.True or false: closing a drawer is a pull. (a) True (b) False
  31. 31.True or false: kicking a football is a push. (a) False (b) True
  32. 32.💪 Is pushing a trolley a push or a pull? (a) a pull (b) a push
  33. 33.💪 Is plucking a mango a push or a pull? (a) a push (b) a pull
  34. 34.💪 A box weighs 200 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) gravity (b) wind (c) friction (d) magnetism
  36. 36.💪 In which unit do we measure force? (a) second (s) (b) metre (m) (c) newton (N) (d) litre (L)
  37. 37.💪 Two children push a box to the right, one with 75 N and the other with 20 N. What is the net (total) force on the box, in newtons?
  38. 38.💪 Which force is at work: a thrown ball comes down? (a) magnetic force (b) gravity (c) friction (d) muscular force
  39. 39.True or false: pulling a cart is a pull. (a) False (b) True
  40. 40.💪 Which force is at work: rain falls to the ground? (a) muscular force (b) gravity (c) magnetic force (d) friction

Answer key

  1. change its colour
  2. a push
  3. lifting a school bag
  4. magnetic force
  5. a push
  6. False
  7. an apple falls down
  8. True
  9. a push
  10. to the right
  11. 125
  12. rain falls to the ground
  13. balanced
  14. friction
  15. a pull
  16. 51
  17. muscular force
  18. magnetic force
  19. 60
  20. a pull
  21. 150
  22. False
  23. a pull
  24. 180
  25. 1
  26. 95
  27. a push
  28. False
  29. 35
  30. False
  31. True
  32. a push
  33. a pull
  34. 20
  35. gravity
  36. newton (N)
  37. 95
  38. gravity
  39. True
  40. gravity

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