Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 411 · 40 questions

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.

1. 1.💪 In a tug of war, one team pulls right with 95 N and the other pulls left with 35 N. What is the size of the net force, in newtons?
2. 2.💪 Which force pulls everything towards the Earth? (a) friction (b) wind (c) gravity (d) magnetism
3. 3.💪 Which force is at work: a compass needle turns? (a) muscular force (b) friction (c) gravity (d) magnetic force
4. 4.💪 Is drawing up a well bucket a push or a pull? (a) a push (b) a pull
5. 5.Which of these is caused by muscular force? (a) a thrown ball comes down (b) a fridge magnet sticks (c) squeezing a lemon (d) brakes stop a bicycle
6. 6.💪 Is pushing a trolley a push or a pull? (a) a pull (b) a push
7. 7.💪 A bag has a mass of 44 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
8. 8.💪 Which force is at work: pedalling a cycle? (a) friction (b) muscular force (c) gravity (d) magnetic force
9. 9.💪 A force is a … (a) kind of colour (b) type of sound (c) unit of time (d) push or a pull
10. 10.💪 A cart is pulled to the right with 30 N and to the left with 20 N. Which way does the net force act? (a) to the right (b) to the left (c) no net force
11. 11.True or false: hitting a cricket ball is a pull. (a) True (b) False
12. 12.Which of these is caused by friction? (a) squeezing a lemon (b) an apple falls down (c) a magnet picks up pins (d) a rolling ball slows
13. 13.💪 Is pushing a swing a push or a pull? (a) a push (b) a pull
14. 14.💪 Is opening a drawer a push or a pull? (a) a push (b) a pull
15. 15.True or false: plucking a mango is a push. (a) False (b) True
16. 16.💪 Is a tug of war a push or a pull? (a) a pull (b) a push
17. 17.True or false: a tug of war is a pull. (a) False (b) True
18. 18.True or false: pressing a doorbell is a pull. (a) False (b) True
19. 19.True or false: a tug of war is a push. (a) False (b) True
20. 20.True or false: hitting a cricket ball is a push. (a) True (b) False
21. 21.💪 Which can a force NOT do? (a) change its shape (b) stop it moving (c) change its colour (d) start it moving
22. 22.💪 A cart is pulled to the right with 75 N and to the left with 65 N. Which way does the net force act? (a) to the right (b) no net force (c) to the left
23. 23.💪 Which force is at work: a river flows downhill? (a) muscular force (b) magnetic force (c) gravity (d) friction
24. 24.💪 A cart is pulled to the right with 35 N and to the left with 25 N. Which way does the net force act? (a) to the right (b) to the left (c) no net force
25. 25.Which of these is caused by gravity? (a) a magnet picks up pins (b) rain falls to the ground (c) a compass needle turns (d) a fridge magnet sticks
26. 26.True or false: opening a drawer is a pull. (a) False (b) True
27. 27.💪 Which force is at work: a rolling ball slows? (a) muscular force (b) magnetic force (c) friction (d) gravity
28. 28.💪 In a tug of war, one team pulls left with 90 N and the other pulls right with 25 N. What is the size of the net force, in newtons?
29. 29.💪 A bag has a mass of 18 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
30. 30.💪 Which force is at work: rubbing hands warms them? (a) muscular force (b) gravity (c) magnetic force (d) friction
31. 31.💪 In which unit do we measure force? (a) second (s) (b) litre (L) (c) metre (m) (d) newton (N)
32. 32.💪 In a tug of war, one team pulls right with 50 N and the other pulls left with 25 N. What is the size of the net force, in newtons?
33. 33.💪 Which force is at work: brakes stop a bicycle? (a) gravity (b) friction (c) muscular force (d) magnetic force
34. 34.💪 Is closing a drawer a push or a pull? (a) a push (b) a pull
35. 35.💪 In a tug of war, one team pulls left with 100 N and the other pulls right with 45 N. What is the size of the net force, in newtons?
36. 36.True or false: pulling a cart is a pull. (a) True (b) False
37. 37.💪 A cart is pulled to the right with 40 N and to the left with 30 N. Which way does the net force act? (a) no net force (b) to the right (c) to the left
38. 38.💪 In a tug of war, one team pulls right with 45 N and the other pulls left with 15 N. What is the size of the net force, in newtons?
39. 39.💪 Is pulling a cart a push or a pull? (a) a pull (b) a push
40. 40.💪 In a tug of war, one team pulls left with 45 N and the other pulls right with 5 N. What is the size of the net force, in newtons?

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