Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 567 · 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.💪 In which unit do we measure force? (a) second (s) (b) litre (L) (c) metre (m) (d) newton (N)
2. 2.💪 Which force pulls everything towards the Earth? (a) friction (b) wind (c) magnetism (d) gravity
3. 3.Which of these is caused by magnetic force? (a) a rolling ball slows (b) a magnet picks up pins (c) pedalling a cycle (d) rain falls to the ground
4. 4.💪 Which force is at work: a fridge magnet sticks? (a) gravity (b) magnetic force (c) friction (d) muscular force
5. 5.💪 A box weighs 260 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
6. 6.💪 Is plucking a mango a push or a pull? (a) a push (b) a pull
7. 7.💪 Is drawing up a well bucket a push or a pull? (a) a push (b) a pull
8. 8.💪 Which force is at work: pedalling a cycle? (a) friction (b) muscular force (c) magnetic force (d) gravity
9. 9.💪 A box weighs 330 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
10. 10.Which of these is caused by gravity? (a) pedalling a cycle (b) rain falls to the ground (c) shoes grip the floor (d) a rolling ball slows
11. 11.💪 Two children push a box to the right, one with 75 N and the other with 90 N. What is the net (total) force on the box, in newtons?
12. 12.💪 Which force is at work: a river flows downhill? (a) gravity (b) friction (c) magnetic force (d) muscular force
13. 13.💪 A cart is pulled to the right with 65 N and to the left with 65 N. Which way does the net force act? (a) to the right (b) to the left (c) no net force
14. 14.💪 Two equal forces push on a box from opposite sides. They are … (a) doubled (b) balanced (c) unbalanced (d) gravity
15. 15.💪 Two children push a box to the right, one with 30 N and the other with 50 N. What is the net (total) force on the box, in newtons?
16. 16.True or false: opening a drawer is a push. (a) True (b) False
17. 17.True or false: closing a drawer is a pull. (a) True (b) False
18. 18.💪 Which force is at work: rubbing hands warms them? (a) friction (b) magnetic force (c) gravity (d) muscular force
19. 19.True or false: hitting a cricket ball is a push. (a) False (b) True
20. 20.💪 In a tug of war, one team pulls right with 70 N and the other pulls left with 60 N. What is the size of the net force, in newtons?
21. 21.Which of these is caused by gravity? (a) a rolling ball slows (b) a thrown ball comes down (c) shoes grip the floor (d) a magnet picks up pins
22. 22.💪 Which can a force NOT do? (a) change its colour (b) start it moving (c) stop it moving (d) change its shape
23. 23.💪 Is pushing a swing a push or a pull? (a) a pull (b) a push
24. 24.💪 A bag has a mass of 26 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
25. 25.Which of these is caused by muscular force? (a) lifting a school bag (b) a compass needle turns (c) rain falls to the ground (d) shoes grip the floor
26. 26.💪 A bag has a mass of 52 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
27. 27.💪 Is pushing a trolley a push or a pull? (a) a push (b) a pull
28. 28.💪 Is pulling a cart a push or a pull? (a) a push (b) a pull
29. 29.💪 A bag has a mass of 31 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
30. 30.True or false: pushing a swing is a pull. (a) False (b) True
31. 31.💪 In a tug of war, one team pulls left with 10 N and the other pulls right with 5 N. What is the size of the net force, in newtons?
32. 32.💪 Is pressing a doorbell a push or a pull? (a) a push (b) a pull
33. 33.💪 A cart is pulled to the right with 25 N and to the left with 30 N. Which way does the net force act? (a) no net force (b) to the right (c) to the left
34. 34.💪 A bag has a mass of 41 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
35. 35.💪 A cart is pulled to the right with 35 N and to the left with 30 N. Which way does the net force act? (a) to the left (b) no net force (c) to the right
36. 36.💪 Is closing a drawer a push or a pull? (a) a pull (b) a push
37. 37.💪 A force is a … (a) unit of time (b) kind of colour (c) type of sound (d) push or a pull
38. 38.💪 Which force is at work: shoes grip the floor? (a) muscular force (b) gravity (c) magnetic force (d) friction
39. 39.💪 Which force is at work: an apple falls down? (a) muscular force (b) friction (c) magnetic force (d) gravity
40. 40.💪 A box weighs 250 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?

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