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Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 287 · 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 magnetic force? (a) an apple falls down (b) pedalling a cycle (c) rain falls to the ground (d) a magnet picks up pins
  2. 2.💪 Which force is at work: a fridge magnet sticks? (a) muscular force (b) gravity (c) friction (d) magnetic force
  3. 3.True or false: drawing up a well bucket is a pull. (a) False (b) True
  4. 4.Which of these is caused by gravity? (a) a river flows downhill (b) lifting a school bag (c) rubbing hands warms them (d) a compass needle turns
  5. 5.💪 Is drawing up a well bucket a push or a pull? (a) a pull (b) a push
  6. 6.Which of these is caused by friction? (a) rain falls to the ground (b) a rolling ball slows (c) a fridge magnet sticks (d) lifting a school bag
  7. 7.💪 A force is a … (a) type of sound (b) kind of colour (c) unit of time (d) push or a pull
  8. 8.True or false: hitting a cricket ball is a pull. (a) False (b) True
  9. 9.💪 In a tug of war, one team pulls right with 65 N and the other pulls left with 50 N. What is the size of the net force, in newtons?
  10. 10.💪 A box weighs 570 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  11. 11.💪 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) to the right (c) no net force
  12. 12.💪 Two children push a box to the right, one with 65 N and the other with 5 N. What is the net (total) force on the box, in newtons?
  13. 13.Which of these is caused by gravity? (a) shoes grip the floor (b) a fridge magnet sticks (c) pedalling a cycle (d) rain falls to the ground
  14. 14.Which of these is caused by magnetic force? (a) a fridge magnet sticks (b) shoes grip the floor (c) a rolling ball slows (d) squeezing a lemon
  15. 15.💪 Which force is at work: an apple falls down? (a) friction (b) magnetic force (c) muscular force (d) gravity
  16. 16.💪 A cart is pulled to the right with 60 N and to the left with 70 N. Which way does the net force act? (a) to the right (b) no net force (c) to the left
  17. 17.Which of these is caused by muscular force? (a) rubbing hands warms them (b) pedalling a cycle (c) an apple falls down (d) rain falls to the ground
  18. 18.💪 Which force is at work: squeezing a lemon? (a) friction (b) magnetic force (c) gravity (d) muscular force
  19. 19.💪 A box weighs 320 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  20. 20.True or false: kicking a football is a push. (a) False (b) True
  21. 21.💪 A box weighs 430 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  22. 22.💪 Which force is at work: rain falls to the ground? (a) magnetic force (b) gravity (c) muscular force (d) friction
  23. 23.💪 Which force is at work: a rolling ball slows? (a) gravity (b) friction (c) muscular force (d) magnetic force
  24. 24.💪 Is pushing a swing a push or a pull? (a) a pull (b) a push
  25. 25.💪 Two children push a box to the right, one with 25 N and the other with 40 N. What is the net (total) force on the box, in newtons?
  26. 26.💪 Which can a force NOT do? (a) change its colour (b) change its shape (c) stop it moving (d) start it moving
  27. 27.💪 Two children push a box to the right, one with 90 N and the other with 90 N. What is the net (total) force on the box, in newtons?
  28. 28.True or false: kicking a football is a pull. (a) True (b) False
  29. 29.Which of these is caused by magnetic force? (a) a rolling ball slows (b) a compass needle turns (c) an apple falls down (d) rubbing hands warms them
  30. 30.💪 A box weighs 100 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  31. 31.💪 A bag has a mass of 18 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  32. 32.💪 Which force is at work: a thrown ball comes down? (a) muscular force (b) friction (c) gravity (d) magnetic force
  33. 33.💪 Two children push a box to the right, one with 75 N and the other with 35 N. What is the net (total) force on the box, in newtons?
  34. 34.💪 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) no net force (b) to the right (c) to the left
  35. 35.💪 A box weighs 110 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  36. 36.💪 Is kicking a football a push or a pull? (a) a pull (b) a push
  37. 37.💪 Is closing a drawer a push or a pull? (a) a push (b) a pull
  38. 38.💪 In a tug of war, one team pulls right with 20 N and the other pulls left with 5 N. What is the size of the net force, in newtons?
  39. 39.💪 Two children push a box to the right, one with 10 N and the other with 85 N. What is the net (total) force on the box, in newtons?
  40. 40.True or false: plucking a mango is a push. (a) True (b) False

Answer key

  1. a magnet picks up pins
  2. magnetic force
  3. True
  4. a river flows downhill
  5. a pull
  6. a rolling ball slows
  7. push or a pull
  8. False
  9. 15
  10. 57
  11. to the right
  12. 70
  13. rain falls to the ground
  14. a fridge magnet sticks
  15. gravity
  16. to the left
  17. pedalling a cycle
  18. muscular force
  19. 32
  20. True
  21. 43
  22. gravity
  23. friction
  24. a push
  25. 65
  26. change its colour
  27. 180
  28. False
  29. a compass needle turns
  30. 10
  31. 180
  32. gravity
  33. 110
  34. no net force
  35. 11
  36. a push
  37. a push
  38. 15
  39. 95
  40. False

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