Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 848 · 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 closing a drawer a push or a pull? (a) a pull (b) a push
2. 2.True or false: pushing a trolley is a push. (a) True (b) False
3. 3.💪 Which force is at work: squeezing a lemon? (a) friction (b) magnetic force (c) gravity (d) muscular force
4. 4.💪 A cart is pulled to the right with 85 N and to the left with 75 N. Which way does the net force act? (a) no net force (b) to the left (c) to the right
5. 5.💪 Is a tug of war a push or a pull? (a) a push (b) a pull
6. 6.💪 Which force is at work: an apple falls down? (a) muscular force (b) gravity (c) magnetic force (d) friction
7. 7.💪 Which force is at work: rubbing hands warms them? (a) gravity (b) friction (c) magnetic force (d) muscular force
8. 8.💪 Two children push a box to the right, one with 100 N and the other with 5 N. What is the net (total) force on the box, in newtons?
9. 9.💪 A box weighs 140 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
10. 10.💪 Is pressing a doorbell a push or a pull? (a) a push (b) a pull
11. 11.Which of these is caused by gravity? (a) an apple falls down (b) pedalling a cycle (c) a magnet picks up pins (d) rubbing hands warms them
12. 12.Which of these is caused by muscular force? (a) brakes stop a bicycle (b) rubbing hands warms them (c) a thrown ball comes down (d) squeezing a lemon
13. 13.Which of these is caused by gravity? (a) squeezing a lemon (b) pedalling a cycle (c) rain falls to the ground (d) a fridge magnet sticks
14. 14.💪 Which can a force NOT do? (a) start it moving (b) stop it moving (c) change its shape (d) change its colour
15. 15.💪 In which unit do we measure force? (a) litre (L) (b) second (s) (c) newton (N) (d) metre (m)
16. 16.True or false: pulling up your socks is a pull. (a) True (b) False
17. 17.True or false: pushing a swing is a pull. (a) False (b) True
18. 18.💪 Is pushing a trolley a push or a pull? (a) a pull (b) a push
19. 19.💪 Is plucking a mango a push or a pull? (a) a push (b) a pull
20. 20.True or false: pressing a doorbell is a push. (a) False (b) True
21. 21.💪 Two children push a box to the right, one with 60 N and the other with 55 N. What is the net (total) force on the box, in newtons?
22. 22.True or false: opening a drawer is a pull. (a) True (b) False
23. 23.💪 A force is a … (a) unit of time (b) type of sound (c) push or a pull (d) kind of colour
24. 24.💪 In a tug of war, one team pulls right with 10 N and the other pulls left with 5 N. What is the size of the net force, in newtons?
25. 25.Which of these is caused by gravity? (a) squeezing a lemon (b) shoes grip the floor (c) brakes stop a bicycle (d) a thrown ball comes down
26. 26.💪 A cart is pulled to the right with 35 N and to the left with 45 N. Which way does the net force act? (a) no net force (b) to the right (c) to the left
27. 27.True or false: drawing up a well bucket is a pull. (a) False (b) True
28. 28.💪 A bag has a mass of 8 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
29. 29.💪 A bag has a mass of 43 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
30. 30.💪 Is opening a drawer a push or a pull? (a) a push (b) a pull
31. 31.True or false: opening a drawer is a push. (a) False (b) True
32. 32.💪 Two equal forces push on a box from opposite sides. They are … (a) unbalanced (b) gravity (c) doubled (d) balanced
33. 33.💪 Is pushing a swing a push or a pull? (a) a pull (b) a push
34. 34.💪 A box weighs 580 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
35. 35.💪 A box weighs 570 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
36. 36.True or false: a tug of war is a push. (a) True (b) False
37. 37.True or false: kicking a football is a pull. (a) True (b) False
38. 38.💪 A bag has a mass of 30 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
39. 39.💪 Which force is at work: lifting a school bag? (a) friction (b) magnetic force (c) gravity (d) muscular force
40. 40.True or false: pulling up your socks is a push. (a) False (b) True

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