Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 399 · 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.💪 Which force is at work: squeezing a lemon? (a) magnetic force (b) friction (c) muscular force (d) gravity
3. 3.💪 Is pushing a trolley a push or a pull? (a) a push (b) a pull
4. 4.True or false: a tug of war is a push. (a) True (b) False
5. 5.💪 Is hitting a cricket ball a push or a pull? (a) a pull (b) a push
6. 6.💪 Which force is at work: a river flows downhill? (a) magnetic force (b) gravity (c) muscular force (d) friction
7. 7.Which of these is caused by friction? (a) shoes grip the floor (b) pedalling a cycle (c) a compass needle turns (d) a river flows downhill
8. 8.💪 In a tug of war, one team pulls left with 60 N and the other pulls right with 10 N. What is the size of the net force, in newtons?
9. 9.💪 A bag has a mass of 52 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
10. 10.Which of these is caused by magnetic force? (a) a thrown ball comes down (b) a river flows downhill (c) a compass needle turns (d) an apple falls down
11. 11.💪 A force is a … (a) kind of colour (b) push or a pull (c) type of sound (d) unit of time
12. 12.💪 A bag has a mass of 4 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
13. 13.💪 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?
14. 14.💪 In a tug of war, one team pulls left with 65 N and the other pulls right with 60 N. What is the size of the net force, in newtons?
15. 15.Which of these is caused by muscular force? (a) a thrown ball comes down (b) a compass needle turns (c) a river flows downhill (d) lifting a school bag
16. 16.True or false: pushing a trolley is a pull. (a) True (b) False
17. 17.💪 Which force is at work: a fridge magnet sticks? (a) gravity (b) friction (c) muscular force (d) magnetic force
18. 18.💪 A box weighs 290 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
19. 19.Which of these is caused by gravity? (a) shoes grip the floor (b) rain falls to the ground (c) lifting a school bag (d) brakes stop a bicycle
20. 20.💪 Two equal forces push on a box from opposite sides. They are … (a) unbalanced (b) gravity (c) balanced (d) doubled
21. 21.Which of these is caused by gravity? (a) an apple falls down (b) brakes stop a bicycle (c) rubbing hands warms them (d) squeezing a lemon
22. 22.💪 Which force is at work: a compass needle turns? (a) friction (b) muscular force (c) gravity (d) magnetic force
23. 23.💪 Is pushing a swing a push or a pull? (a) a push (b) a pull
24. 24.💪 Which force is at work: rain falls to the ground? (a) magnetic force (b) gravity (c) muscular force (d) friction
25. 25.💪 In which unit do we measure force? (a) newton (N) (b) litre (L) (c) second (s) (d) metre (m)
26. 26.True or false: pulling up your socks is a push. (a) True (b) False
27. 27.💪 Is pulling up your socks a push or a pull? (a) a pull (b) a push
28. 28.💪 A bag has a mass of 45 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
29. 29.💪 A box weighs 510 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
30. 30.Which of these is caused by magnetic force? (a) squeezing a lemon (b) a thrown ball comes down (c) brakes stop a bicycle (d) a fridge magnet sticks
31. 31.Which of these is caused by magnetic force? (a) an apple falls down (b) a magnet picks up pins (c) rain falls to the ground (d) brakes stop a bicycle
32. 32.💪 Is pressing a doorbell a push or a pull? (a) a push (b) a pull
33. 33.💪 Which force is at work: rubbing hands warms them? (a) muscular force (b) magnetic force (c) friction (d) gravity
34. 34.💪 Which force is at work: brakes stop a bicycle? (a) muscular force (b) magnetic force (c) friction (d) gravity
35. 35.True or false: plucking a mango is a push. (a) True (b) False
36. 36.True or false: pushing a swing is a pull. (a) False (b) True
37. 37.💪 Two children push a box to the right, one with 10 N and the other with 100 N. What is the net (total) force on the box, in newtons?
38. 38.💪 Is drawing up a well bucket a push or a pull? (a) a pull (b) a push
39. 39.💪 Two children push a box to the right, one with 65 N and the other with 10 N. What is the net (total) force on the box, in newtons?
40. 40.Which of these is caused by friction? (a) brakes stop a bicycle (b) squeezing a lemon (c) a magnet picks up pins (d) a thrown ball comes down

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