Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 188 · 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.💪 Is plucking a mango a push or a pull? (a) a push (b) a pull
2. 2.True or false: drawing up a well bucket is a pull. (a) True (b) False
3. 3.💪 Which force is at work: squeezing a lemon? (a) magnetic force (b) muscular force (c) friction (d) gravity
4. 4.💪 Two children push a box to the right, one with 50 N and the other with 95 N. What is the net (total) force on the box, in newtons?
5. 5.💪 A bag has a mass of 32 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
6. 6.Which of these is caused by friction? (a) an apple falls down (b) rain falls to the ground (c) a magnet picks up pins (d) brakes stop a bicycle
7. 7.💪 A force is a … (a) kind of colour (b) push or a pull (c) unit of time (d) type of sound
8. 8.Which of these is caused by friction? (a) a rolling ball slows (b) a fridge magnet sticks (c) a magnet picks up pins (d) squeezing a lemon
9. 9.💪 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?
10. 10.True or false: opening a drawer is a pull. (a) True (b) False
11. 11.💪 A bag has a mass of 38 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
12. 12.💪 A bag has a mass of 59 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
13. 13.💪 Two equal forces push on a box from opposite sides. They are … (a) gravity (b) unbalanced (c) balanced (d) doubled
14. 14.💪 Is closing a drawer a push or a pull? (a) a push (b) a pull
15. 15.💪 Which force is at work: shoes grip the floor? (a) friction (b) gravity (c) muscular force (d) magnetic force
16. 16.💪 Is drawing up a well bucket a push or a pull? (a) a pull (b) a push
17. 17.💪 Two children push a box to the right, one with 95 N and the other with 100 N. What is the net (total) force on the box, in newtons?
18. 18.True or false: pushing a trolley is a pull. (a) False (b) True
19. 19.💪 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) to the right (b) to the left (c) no net force
20. 20.True or false: closing a drawer is a pull. (a) True (b) False
21. 21.💪 Is pushing a swing a push or a pull? (a) a pull (b) a push
22. 22.💪 In a tug of war, one team pulls right with 95 N and the other pulls left with 45 N. What is the size of the net force, in newtons?
23. 23.💪 Is pulling up your socks a push or a pull? (a) a push (b) a pull
24. 24.💪 Two children push a box to the right, one with 95 N and the other with 30 N. What is the net (total) force on the box, in newtons?
25. 25.Which of these is caused by muscular force? (a) a compass needle turns (b) rain falls to the ground (c) lifting a school bag (d) a magnet picks up pins
26. 26.True or false: hitting a cricket ball is a pull. (a) False (b) True
27. 27.💪 Is opening a drawer a push or a pull? (a) a pull (b) a push
28. 28.💪 Which force is at work: an apple falls down? (a) gravity (b) magnetic force (c) muscular force (d) friction
29. 29.True or false: pressing a doorbell is a pull. (a) True (b) False
30. 30.True or false: pulling up your socks is a pull. (a) True (b) False
31. 31.💪 Which force is at work: a river flows downhill? (a) magnetic force (b) friction (c) muscular force (d) gravity
32. 32.💪 In a tug of war, one team pulls left with 70 N and the other pulls right with 60 N. What is the size of the net force, in newtons?
33. 33.💪 Is pulling a cart a push or a pull? (a) a pull (b) a push
34. 34.True or false: hitting a cricket ball is a push. (a) True (b) False
35. 35.True or false: a tug of war is a push. (a) True (b) False
36. 36.Which of these is caused by magnetic force? (a) squeezing a lemon (b) a rolling ball slows (c) shoes grip the floor (d) a compass needle turns
37. 37.💪 In a tug of war, one team pulls right with 15 N and the other pulls left with 5 N. What is the size of the net force, in newtons?
38. 38.💪 Which force is at work: a fridge magnet sticks? (a) gravity (b) muscular force (c) magnetic force (d) friction
39. 39.💪 Two children push a box to the right, one with 20 N and the other with 55 N. What is the net (total) force on the box, in newtons?
40. 40.Which of these is caused by gravity? (a) a rolling ball slows (b) a compass needle turns (c) rain falls to the ground (d) pedalling a cycle

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