Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 397 · 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.💪 A force is a … (a) kind of colour (b) push or a pull (c) unit of time (d) type of sound
2. 2.💪 Is pressing a doorbell a push or a pull? (a) a push (b) a pull
3. 3.💪 Is pushing a trolley a push or a pull? (a) a push (b) a pull
4. 4.True or false: plucking a mango is a push. (a) False (b) True
5. 5.Which of these is caused by muscular force? (a) squeezing a lemon (b) a thrown ball comes down (c) a river flows downhill (d) a rolling ball slows
6. 6.Which of these is caused by magnetic force? (a) shoes grip the floor (b) rain falls to the ground (c) a magnet picks up pins (d) a thrown ball comes down
7. 7.💪 A cart is pulled to the right with 45 N and to the left with 45 N. Which way does the net force act? (a) to the right (b) no net force (c) to the left
8. 8.💪 A box weighs 410 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
9. 9.💪 Two children push a box to the right, one with 55 N and the other with 60 N. What is the net (total) force on the box, in newtons?
10. 10.💪 In which unit do we measure force? (a) second (s) (b) metre (m) (c) newton (N) (d) litre (L)
11. 11.True or false: pressing a doorbell is a pull. (a) True (b) False
12. 12.💪 A bag has a mass of 23 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
13. 13.True or false: opening a drawer is a push. (a) True (b) False
14. 14.💪 Is kicking a football a push or a pull? (a) a push (b) a pull
15. 15.💪 A bag has a mass of 31 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
16. 16.💪 In a tug of war, one team pulls right with 90 N and the other pulls left with 10 N. What is the size of the net force, in newtons?
17. 17.True or false: plucking a mango is a pull. (a) False (b) True
18. 18.💪 Is pulling up your socks a push or a pull? (a) a push (b) a pull
19. 19.True or false: kicking a football is a pull. (a) False (b) True
20. 20.💪 Which force pulls everything towards the Earth? (a) friction (b) gravity (c) magnetism (d) wind
21. 21.True or false: drawing up a well bucket is a push. (a) False (b) True
22. 22.💪 A bag has a mass of 16 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
23. 23.💪 A cart is pulled to the right with 30 N and to the left with 40 N. Which way does the net force act? (a) no net force (b) to the right (c) to the left
24. 24.💪 Which force is at work: shoes grip the floor? (a) magnetic force (b) friction (c) muscular force (d) gravity
25. 25.💪 A bag has a mass of 13 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
26. 26.💪 Two children push a box to the right, one with 25 N and the other with 80 N. What is the net (total) force on the box, in newtons?
27. 27.Which of these is caused by muscular force? (a) pedalling a cycle (b) a fridge magnet sticks (c) a compass needle turns (d) a magnet picks up pins
28. 28.💪 Which force is at work: a river flows downhill? (a) gravity (b) magnetic force (c) friction (d) muscular force
29. 29.💪 A bag has a mass of 50 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
30. 30.True or false: hitting a cricket ball is a pull. (a) False (b) True
31. 31.True or false: pushing a trolley is a pull. (a) True (b) False
32. 32.💪 Which force is at work: an apple falls down? (a) magnetic force (b) muscular force (c) gravity (d) friction
33. 33.💪 In a tug of war, one team pulls left with 30 N and the other pulls right with 25 N. What is the size of the net force, in newtons?
34. 34.💪 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?
35. 35.💪 Which force is at work: a thrown ball comes down? (a) magnetic force (b) friction (c) muscular force (d) gravity
36. 36.💪 In a tug of war, one team pulls right with 35 N and the other pulls left with 20 N. What is the size of the net force, in newtons?
37. 37.💪 A bag has a mass of 14 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
38. 38.True or false: pulling up your socks is a pull. (a) False (b) True
39. 39.💪 Which force is at work: a fridge magnet sticks? (a) muscular force (b) magnetic force (c) friction (d) gravity
40. 40.💪 In a tug of war, one team pulls right with 40 N and the other pulls left with 30 N. What is the size of the net force, in newtons?

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