Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 228 · 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 pressing a doorbell a push or a pull? (a) a pull (b) a push
2. 2.💪 Which force is at work: a river flows downhill? (a) friction (b) magnetic force (c) gravity (d) muscular force
3. 3.💪 Is pushing a trolley a push or a pull? (a) a pull (b) a push
4. 4.True or false: opening a drawer is a push. (a) True (b) False
5. 5.Which of these is caused by magnetic force? (a) rubbing hands warms them (b) lifting a school bag (c) a thrown ball comes down (d) a fridge magnet sticks
6. 6.True or false: pushing a swing is a pull. (a) True (b) False
7. 7.💪 A box weighs 180 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
8. 8.💪 In which unit do we measure force? (a) litre (L) (b) newton (N) (c) second (s) (d) metre (m)
9. 9.💪 A cart is pulled to the right with 45 N and to the left with 35 N. Which way does the net force act? (a) no net force (b) to the left (c) to the right
10. 10.💪 A force is a … (a) unit of time (b) kind of colour (c) push or a pull (d) type of sound
11. 11.Which of these is caused by gravity? (a) a fridge magnet sticks (b) pedalling a cycle (c) a rolling ball slows (d) a river flows downhill
12. 12.True or false: pressing a doorbell is a push. (a) True (b) False
13. 13.💪 Which force is at work: lifting a school bag? (a) magnetic force (b) friction (c) gravity (d) muscular force
14. 14.💪 Which force is at work: rain falls to the ground? (a) gravity (b) muscular force (c) magnetic force (d) friction
15. 15.💪 Is drawing up a well bucket a push or a pull? (a) a push (b) a pull
16. 16.Which of these is caused by gravity? (a) brakes stop a bicycle (b) lifting a school bag (c) pedalling a cycle (d) a thrown ball comes down
17. 17.True or false: pulling up your socks is a push. (a) False (b) True
18. 18.💪 Two children push a box to the right, one with 50 N and the other with 25 N. What is the net (total) force on the box, in newtons?
19. 19.Which of these is caused by magnetic force? (a) a magnet picks up pins (b) a thrown ball comes down (c) squeezing a lemon (d) a rolling ball slows
20. 20.True or false: a tug of war is a pull. (a) True (b) False
21. 21.💪 Is hitting a cricket ball a push or a pull? (a) a push (b) a pull
22. 22.💪 Two equal forces push on a box from opposite sides. They are … (a) gravity (b) doubled (c) unbalanced (d) balanced
23. 23.💪 Which can a force NOT do? (a) change its shape (b) change its colour (c) start it moving (d) stop it moving
24. 24.💪 A bag has a mass of 24 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
25. 25.True or false: pushing a swing is a push. (a) True (b) False
26. 26.True or false: drawing up a well bucket is a pull. (a) False (b) True
27. 27.Which of these is caused by gravity? (a) squeezing a lemon (b) a fridge magnet sticks (c) rain falls to the ground (d) a compass needle turns
28. 28.True or false: closing a drawer is a pull. (a) True (b) False
29. 29.💪 In a tug of war, one team pulls right with 55 N and the other pulls left with 25 N. What is the size of the net force, in newtons?
30. 30.True or false: pushing a trolley is a push. (a) False (b) True
31. 31.💪 Which force pulls everything towards the Earth? (a) wind (b) friction (c) magnetism (d) gravity
32. 32.True or false: pressing a doorbell is a pull. (a) False (b) True
33. 33.💪 Is kicking a football a push or a pull? (a) a push (b) a pull
34. 34.True or false: opening a drawer is a pull. (a) False (b) True
35. 35.💪 A box weighs 110 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
36. 36.True or false: kicking a football is a push. (a) True (b) False
37. 37.💪 Two children push a box to the right, one with 90 N and the other with 25 N. What is the net (total) force on the box, in newtons?
38. 38.💪 A cart is pulled to the right with 60 N and to the left with 55 N. Which way does the net force act? (a) to the left (b) no net force (c) to the right
39. 39.💪 In a tug of war, one team pulls left with 65 N and the other pulls right with 20 N. What is the size of the net force, in newtons?
40. 40.💪 A box weighs 420 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?

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