Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 145 · 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.💪 Which force is at work: brakes stop a bicycle? (a) muscular force (b) gravity (c) magnetic force (d) friction
2. 2.💪 Which force is at work: rain falls to the ground? (a) friction (b) magnetic force (c) gravity (d) muscular force
3. 3.True or false: a tug of war is a push. (a) True (b) False
4. 4.True or false: opening a drawer is a pull. (a) False (b) True
5. 5.💪 A box weighs 410 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
6. 6.💪 Which force pulls everything towards the Earth? (a) friction (b) gravity (c) magnetism (d) wind
7. 7.💪 Two equal forces push on a box from opposite sides. They are … (a) gravity (b) doubled (c) balanced (d) unbalanced
8. 8.True or false: hitting a cricket ball is a pull. (a) False (b) True
9. 9.💪 A box weighs 530 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
10. 10.True or false: closing a drawer is a pull. (a) False (b) True
11. 11.Which of these is caused by gravity? (a) a magnet picks up pins (b) a fridge magnet sticks (c) brakes stop a bicycle (d) a river flows downhill
12. 12.💪 Two children push a box to the right, one with 40 N and the other with 20 N. What is the net (total) force on the box, in newtons?
13. 13.💪 Two children push a box to the right, one with 10 N and the other with 10 N. What is the net (total) force on the box, in newtons?
14. 14.💪 Is plucking a mango a push or a pull? (a) a pull (b) a push
15. 15.💪 Which force is at work: a magnet picks up pins? (a) friction (b) gravity (c) muscular force (d) magnetic force
16. 16.💪 A cart is pulled to the right with 20 N and to the left with 15 N. Which way does the net force act? (a) to the left (b) to the right (c) no net force
17. 17.💪 In a tug of war, one team pulls left with 15 N and the other pulls right with 5 N. What is the size of the net force, in newtons?
18. 18.💪 Is pushing a swing a push or a pull? (a) a pull (b) a push
19. 19.💪 A force is a … (a) type of sound (b) unit of time (c) push or a pull (d) kind of colour
20. 20.💪 Which can a force NOT do? (a) change its shape (b) stop it moving (c) start it moving (d) change its colour
21. 21.💪 Which force is at work: rubbing hands warms them? (a) magnetic force (b) gravity (c) muscular force (d) friction
22. 22.True or false: pressing a doorbell is a pull. (a) False (b) True
23. 23.💪 Is closing a drawer a push or a pull? (a) a pull (b) a push
24. 24.💪 In which unit do we measure force? (a) newton (N) (b) metre (m) (c) litre (L) (d) second (s)
25. 25.True or false: pulling a cart is a push. (a) False (b) True
26. 26.💪 Two children push a box to the right, one with 80 N and the other with 100 N. What is the net (total) force on the box, in newtons?
27. 27.💪 A cart is pulled to the right with 70 N and to the left with 60 N. Which way does the net force act? (a) no net force (b) to the left (c) to the right
28. 28.💪 A box weighs 380 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
29. 29.True or false: kicking a football is a push. (a) True (b) False
30. 30.Which of these is caused by gravity? (a) brakes stop a bicycle (b) a compass needle turns (c) a magnet picks up pins (d) an apple falls down
31. 31.💪 In a tug of war, one team pulls left with 80 N and the other pulls right with 45 N. What is the size of the net force, in newtons?
32. 32.💪 A box weighs 120 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
33. 33.Which of these is caused by muscular force? (a) a river flows downhill (b) a compass needle turns (c) lifting a school bag (d) an apple falls down
34. 34.💪 A bag has a mass of 59 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
35. 35.💪 Is pressing a doorbell a push or a pull? (a) a push (b) a pull
36. 36.💪 Is pulling up your socks a push or a pull? (a) a pull (b) a push
37. 37.True or false: drawing up a well bucket is a push. (a) False (b) True
38. 38.💪 A box weighs 70 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
39. 39.💪 A box weighs 250 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
40. 40.💪 Is kicking a football a push or a pull? (a) a push (b) a pull

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