Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 215 · 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 pulling a cart a push or a pull? (a) a push (b) a pull
2. 2.True or false: hitting a cricket ball is a pull. (a) True (b) False
3. 3.💪 A force is a … (a) kind of colour (b) type of sound (c) unit of time (d) push or a pull
4. 4.💪 Two children push a box to the right, one with 20 N and the other with 60 N. What is the net (total) force on the box, in newtons?
5. 5.💪 Which force pulls everything towards the Earth? (a) magnetism (b) friction (c) wind (d) gravity
6. 6.True or false: closing a drawer is a push. (a) True (b) False
7. 7.True or false: pushing a trolley is a pull. (a) False (b) True
8. 8.💪 Which force is at work: shoes grip the floor? (a) gravity (b) magnetic force (c) friction (d) muscular force
9. 9.Which of these is caused by gravity? (a) a magnet picks up pins (b) shoes grip the floor (c) squeezing a lemon (d) rain falls to the ground
10. 10.💪 A bag has a mass of 41 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
11. 11.💪 A box weighs 500 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
12. 12.💪 Which force is at work: a rolling ball slows? (a) gravity (b) muscular force (c) friction (d) magnetic force
13. 13.💪 Which force is at work: an apple falls down? (a) gravity (b) magnetic force (c) muscular force (d) friction
14. 14.💪 Which force is at work: rain falls to the ground? (a) gravity (b) magnetic force (c) friction (d) muscular force
15. 15.💪 A cart is pulled to the right with 60 N and to the left with 65 N. Which way does the net force act? (a) to the right (b) no net force (c) to the left
16. 16.True or false: opening a drawer is a pull. (a) False (b) True
17. 17.💪 A box weighs 300 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
18. 18.💪 Two children push a box to the right, one with 65 N and the other with 90 N. What is the net (total) force on the box, in newtons?
19. 19.💪 A cart is pulled to the right with 25 N and to the left with 40 N. Which way does the net force act? (a) to the right (b) to the left (c) no net force
20. 20.💪 Is pushing a swing a push or a pull? (a) a pull (b) a push
21. 21.💪 Is opening a drawer a push or a pull? (a) a push (b) a pull
22. 22.💪 Which force is at work: a magnet picks up pins? (a) muscular force (b) magnetic force (c) gravity (d) friction
23. 23.💪 In which unit do we measure force? (a) metre (m) (b) litre (L) (c) second (s) (d) newton (N)
24. 24.💪 In a tug of war, one team pulls right with 95 N and the other pulls left with 35 N. What is the size of the net force, in newtons?
25. 25.💪 Which force is at work: a thrown ball comes down? (a) friction (b) magnetic force (c) muscular force (d) gravity
26. 26.💪 Is pressing a doorbell a push or a pull? (a) a pull (b) a push
27. 27.True or false: pressing a doorbell is a pull. (a) False (b) True
28. 28.💪 In a tug of war, one team pulls right with 20 N and the other pulls left with 15 N. What is the size of the net force, in newtons?
29. 29.Which of these is caused by muscular force? (a) pedalling a cycle (b) a compass needle turns (c) an apple falls down (d) a fridge magnet sticks
30. 30.💪 In a tug of war, one team pulls right with 100 N and the other pulls left with 15 N. What is the size of the net force, in newtons?
31. 31.True or false: pulling a cart is a pull. (a) True (b) False
32. 32.💪 Two children push a box to the right, one with 65 N and the other with 25 N. What is the net (total) force on the box, in newtons?
33. 33.Which of these is caused by muscular force? (a) brakes stop a bicycle (b) an apple falls down (c) a thrown ball comes down (d) lifting a school bag
34. 34.💪 Which can a force NOT do? (a) change its shape (b) change its colour (c) start it moving (d) stop it moving
35. 35.💪 Two equal forces push on a box from opposite sides. They are … (a) doubled (b) unbalanced (c) balanced (d) gravity
36. 36.Which of these is caused by gravity? (a) a fridge magnet sticks (b) an apple falls down (c) a compass needle turns (d) brakes stop a bicycle
37. 37.💪 Which force is at work: a fridge magnet sticks? (a) gravity (b) muscular force (c) friction (d) magnetic force
38. 38.💪 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?
39. 39.True or false: pulling up your socks is a pull. (a) False (b) True
40. 40.True or false: drawing up a well bucket is a pull. (a) True (b) False

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