Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 999 · 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 pushing a swing a push or a pull? (a) a pull (b) a push
2. 2.💪 Is a tug of war a push or a pull? (a) a pull (b) a push
3. 3.💪 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?
4. 4.Which of these is caused by muscular force? (a) a thrown ball comes down (b) rain falls to the ground (c) rubbing hands warms them (d) lifting a school bag
5. 5.💪 A force is a … (a) kind of colour (b) push or a pull (c) type of sound (d) unit of time
6. 6.💪 Two children push a box to the right, one with 35 N and the other with 10 N. What is the net (total) force on the box, in newtons?
7. 7.💪 Which force is at work: pedalling a cycle? (a) friction (b) muscular force (c) gravity (d) magnetic force
8. 8.💪 A box weighs 590 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
9. 9.Which of these is caused by gravity? (a) a compass needle turns (b) squeezing a lemon (c) brakes stop a bicycle (d) a thrown ball comes down
10. 10.💪 Two children push a box to the right, one with 30 N and the other with 70 N. What is the net (total) force on the box, in newtons?
11. 11.Which of these is caused by magnetic force? (a) a river flows downhill (b) pedalling a cycle (c) an apple falls down (d) a fridge magnet sticks
12. 12.True or false: pulling up your socks is a push. (a) False (b) True
13. 13.True or false: a tug of war is a pull. (a) False (b) True
14. 14.💪 A bag has a mass of 36 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
15. 15.💪 Is drawing up a well bucket a push or a pull? (a) a pull (b) a push
16. 16.💪 A bag has a mass of 51 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
17. 17.💪 A bag has a mass of 24 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
18. 18.💪 Two equal forces push on a box from opposite sides. They are … (a) gravity (b) balanced (c) unbalanced (d) doubled
19. 19.💪 Which force is at work: lifting a school bag? (a) friction (b) muscular force (c) gravity (d) magnetic force
20. 20.💪 Is closing a drawer a push or a pull? (a) a pull (b) a push
21. 21.True or false: pushing a swing is a push. (a) False (b) True
22. 22.💪 Which force is at work: a magnet picks up pins? (a) friction (b) magnetic force (c) muscular force (d) gravity
23. 23.💪 In a tug of war, one team pulls left with 70 N and the other pulls right with 5 N. What is the size of the net force, in newtons?
24. 24.💪 Two children push a box to the right, one with 70 N and the other with 55 N. What is the net (total) force on the box, in newtons?
25. 25.💪 Is kicking a football a push or a pull? (a) a push (b) a pull
26. 26.True or false: closing a drawer is a pull. (a) False (b) True
27. 27.💪 Two children push a box to the right, one with 20 N and the other with 10 N. What is the net (total) force on the box, in newtons?
28. 28.💪 Two children push a box to the right, one with 60 N and the other with 20 N. What is the net (total) force on the box, in newtons?
29. 29.Which of these is caused by muscular force? (a) a river flows downhill (b) rain falls to the ground (c) squeezing a lemon (d) shoes grip the floor
30. 30.True or false: pressing a doorbell is a push. (a) True (b) False
31. 31.Which of these is caused by magnetic force? (a) a thrown ball comes down (b) shoes grip the floor (c) a river flows downhill (d) a magnet picks up pins
32. 32.💪 Which force is at work: brakes stop a bicycle? (a) friction (b) muscular force (c) gravity (d) magnetic force
33. 33.💪 Is pressing a doorbell 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.💪 Is plucking a mango a push or a pull? (a) a push (b) a pull
36. 36.True or false: drawing up a well bucket is a push. (a) True (b) False
37. 37.💪 Two children push a box to the right, one with 85 N and the other with 90 N. What is the net (total) force on the box, in newtons?
38. 38.True or false: closing a drawer is a push. (a) True (b) False
39. 39.💪 In which unit do we measure force? (a) newton (N) (b) litre (L) (c) second (s) (d) metre (m)
40. 40.💪 Which force pulls everything towards the Earth? (a) gravity (b) magnetism (c) friction (d) wind

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