Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 4 · 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.True or false: closing a drawer is a push. (a) True (b) False
2. 2.💪 A bag has a mass of 18 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
3. 3.💪 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?
4. 4.💪 Which force is at work: pedalling a cycle? (a) friction (b) gravity (c) magnetic force (d) muscular force
5. 5.💪 Two children push a box to the right, one with 35 N and the other with 75 N. What is the net (total) force on the box, in newtons?
6. 6.True or false: pulling up your socks is a pull. (a) False (b) True
7. 7.Which of these is caused by muscular force? (a) a magnet picks up pins (b) an apple falls down (c) a fridge magnet sticks (d) squeezing a lemon
8. 8.💪 In a tug of war, one team pulls left with 85 N and the other pulls right with 15 N. What is the size of the net force, in newtons?
9. 9.💪 In which unit do we measure force? (a) metre (m) (b) litre (L) (c) second (s) (d) newton (N)
10. 10.💪 Is drawing up a well bucket a push or a pull? (a) a pull (b) a push
11. 11.💪 Is closing a drawer a push or a pull? (a) a push (b) a pull
12. 12.💪 Is pulling a cart a push or a pull? (a) a push (b) a pull
13. 13.True or false: closing a drawer is a pull. (a) True (b) False
14. 14.True or false: drawing up a well bucket is a push. (a) True (b) False
15. 15.💪 In a tug of war, one team pulls right with 75 N and the other pulls left with 55 N. What is the size of the net force, in newtons?
16. 16.💪 Which force is at work: a compass needle turns? (a) gravity (b) muscular force (c) magnetic force (d) friction
17. 17.💪 Which force is at work: a magnet picks up pins? (a) magnetic force (b) muscular force (c) gravity (d) friction
18. 18.💪 Which can a force NOT do? (a) change its colour (b) start it moving (c) change its shape (d) stop it moving
19. 19.💪 In a tug of war, one team pulls right with 40 N and the other pulls left with 15 N. What is the size of the net force, in newtons?
20. 20.💪 Is pushing a swing a push or a pull? (a) a push (b) a pull
21. 21.💪 A cart is pulled to the right with 65 N and to the left with 65 N. Which way does the net force act? (a) to the left (b) no net force (c) to the right
22. 22.💪 A force is a … (a) push or a pull (b) type of sound (c) unit of time (d) kind of colour
23. 23.💪 A bag has a mass of 41 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
24. 24.True or false: pushing a trolley is a push. (a) False (b) True
25. 25.💪 In a tug of war, one team pulls right with 50 N and the other pulls left with 15 N. What is the size of the net force, in newtons?
26. 26.💪 Is pressing a doorbell a push or a pull? (a) a pull (b) a push
27. 27.Which of these is caused by muscular force? (a) brakes stop a bicycle (b) shoes grip the floor (c) rain falls to the ground (d) pedalling a cycle
28. 28.💪 A cart is pulled to the right with 60 N and to the left with 65 N. Which way does the net force act? (a) no net force (b) to the right (c) to the left
29. 29.💪 In a tug of war, one team pulls right with 25 N and the other pulls left with 5 N. What is the size of the net force, in newtons?
30. 30.💪 Is opening a drawer a push or a pull? (a) a pull (b) a push
31. 31.💪 Two equal forces push on a box from opposite sides. They are … (a) gravity (b) balanced (c) doubled (d) unbalanced
32. 32.💪 Two children push a box to the right, one with 40 N and the other with 10 N. What is the net (total) force on the box, in newtons?
33. 33.💪 A box weighs 410 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
34. 34.💪 Is kicking a football a push or a pull? (a) a pull (b) a push
35. 35.💪 Is hitting a cricket ball a push or a pull? (a) a pull (b) a push
36. 36.True or false: pushing a swing is a pull. (a) True (b) False
37. 37.💪 In a tug of war, one team pulls left with 80 N and the other pulls right with 60 N. What is the size of the net force, in newtons?
38. 38.💪 Is pulling up your socks a push or a pull? (a) a push (b) a pull
39. 39.💪 A bag has a mass of 42 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
40. 40.💪 Which force is at work: a rolling ball slows? (a) gravity (b) friction (c) magnetic force (d) muscular force

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