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Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 297 · 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.True or false: closing a drawer is a pull. (a) True (b) False
  2. 2.💪 In a tug of war, one team pulls left with 55 N and the other pulls right with 40 N. What is the size of the net force, in newtons?
  3. 3.💪 Is pulling a cart a push or a pull? (a) a pull (b) a push
  4. 4.True or false: pushing a trolley is a push. (a) False (b) True
  5. 5.💪 In a tug of war, one team pulls right with 70 N and the other pulls left with 35 N. What is the size of the net force, in newtons?
  6. 6.💪 Is drawing up a well bucket a push or a pull? (a) a push (b) a pull
  7. 7.💪 Which force is at work: pedalling a cycle? (a) magnetic force (b) friction (c) gravity (d) muscular force
  8. 8.Which of these is caused by magnetic force? (a) brakes stop a bicycle (b) pedalling a cycle (c) a magnet picks up pins (d) a river flows downhill
  9. 9.True or false: hitting a cricket ball is a push. (a) False (b) True
  10. 10.💪 Is pulling up your socks a push or a pull? (a) a push (b) a pull
  11. 11.💪 A cart is pulled to the right with 75 N and to the left with 90 N. Which way does the net force act? (a) to the left (b) to the right (c) no net force
  12. 12.Which of these is caused by gravity? (a) a river flows downhill (b) lifting a school bag (c) rubbing hands warms them (d) a fridge magnet sticks
  13. 13.Which of these is caused by magnetic force? (a) a river flows downhill (b) rubbing hands warms them (c) shoes grip the floor (d) a fridge magnet sticks
  14. 14.💪 A force is a … (a) kind of colour (b) push or a pull (c) unit of time (d) type of sound
  15. 15.💪 Is pushing a swing a push or a pull? (a) a pull (b) a push
  16. 16.💪 Which force is at work: lifting a school bag? (a) friction (b) gravity (c) magnetic force (d) muscular force
  17. 17.💪 Which force is at work: a thrown ball comes down? (a) friction (b) muscular force (c) gravity (d) magnetic force
  18. 18.💪 Is plucking a mango a push or a pull? (a) a push (b) a pull
  19. 19.💪 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?
  20. 20.True or false: opening a drawer is a push. (a) False (b) True
  21. 21.💪 Is hitting a cricket ball a push or a pull? (a) a push (b) a pull
  22. 22.💪 A box weighs 520 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  23. 23.Which of these is caused by gravity? (a) brakes stop a bicycle (b) an apple falls down (c) pedalling a cycle (d) a rolling ball slows
  24. 24.💪 A bag has a mass of 20 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  25. 25.💪 Is a tug of war a push or a pull? (a) a push (b) a pull
  26. 26.💪 A box weighs 390 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  27. 27.💪 A box weighs 150 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  28. 28.True or false: kicking a football is a push. (a) True (b) False
  29. 29.💪 In which unit do we measure force? (a) newton (N) (b) second (s) (c) metre (m) (d) litre (L)
  30. 30.💪 Is pressing a doorbell a push or a pull? (a) a pull (b) a push
  31. 31.💪 A box weighs 240 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  32. 32.💪 Which force pulls everything towards the Earth? (a) gravity (b) friction (c) magnetism (d) wind
  33. 33.Which of these is caused by friction? (a) a thrown ball comes down (b) a fridge magnet sticks (c) shoes grip the floor (d) rain falls to the ground
  34. 34.Which of these is caused by magnetic force? (a) a rolling ball slows (b) rain falls to the ground (c) a compass needle turns (d) shoes grip the floor
  35. 35.Which of these is caused by muscular force? (a) a compass needle turns (b) pedalling a cycle (c) a thrown ball comes down (d) a river flows downhill
  36. 36.Which of these is caused by muscular force? (a) a compass needle turns (b) shoes grip the floor (c) a rolling ball slows (d) squeezing a lemon
  37. 37.💪 A bag has a mass of 59 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  38. 38.💪 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?
  39. 39.💪 Which force is at work: rain falls to the ground? (a) magnetic force (b) friction (c) muscular force (d) gravity
  40. 40.💪 A box weighs 120 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?

Answer key

  1. False
  2. 15
  3. a pull
  4. True
  5. 35
  6. a pull
  7. muscular force
  8. a magnet picks up pins
  9. True
  10. a pull
  11. to the left
  12. a river flows downhill
  13. a fridge magnet sticks
  14. push or a pull
  15. a push
  16. muscular force
  17. gravity
  18. a pull
  19. 5
  20. False
  21. a push
  22. 52
  23. an apple falls down
  24. 200
  25. a pull
  26. 39
  27. 15
  28. True
  29. newton (N)
  30. a push
  31. 24
  32. gravity
  33. shoes grip the floor
  34. a compass needle turns
  35. pedalling a cycle
  36. squeezing a lemon
  37. 590
  38. 155
  39. gravity
  40. 12

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