Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 556 · 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.True or false: drawing up a well bucket is a push. (a) True (b) False
2. 2.Which of these is caused by gravity? (a) brakes stop a bicycle (b) a compass needle turns (c) a magnet picks up pins (d) rain falls to the ground
3. 3.True or false: hitting a cricket ball is a pull. (a) True (b) False
4. 4.True or false: drawing up a well bucket is a pull. (a) True (b) False
5. 5.💪 Is a tug of war a push or a pull? (a) a pull (b) a push
6. 6.💪 Which force is at work: a river flows downhill? (a) friction (b) muscular force (c) gravity (d) magnetic force
7. 7.💪 Two equal forces push on a box from opposite sides. They are … (a) balanced (b) doubled (c) gravity (d) unbalanced
8. 8.💪 Which force is at work: a fridge magnet sticks? (a) friction (b) magnetic force (c) muscular force (d) gravity
9. 9.💪 Which force is at work: a magnet picks up pins? (a) muscular force (b) friction (c) gravity (d) magnetic force
10. 10.💪 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?
11. 11.True or false: closing a drawer is a pull. (a) False (b) True
12. 12.💪 Which can a force NOT do? (a) stop it moving (b) start it moving (c) change its shape (d) change its colour
13. 13.💪 A force is a … (a) unit of time (b) type of sound (c) push or a pull (d) kind of colour
14. 14.True or false: opening a drawer is a push. (a) False (b) True
15. 15.💪 A box weighs 500 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
16. 16.💪 Is pushing a swing a push or a pull? (a) a push (b) a pull
17. 17.True or false: pressing a doorbell is a pull. (a) False (b) True
18. 18.💪 In a tug of war, one team pulls left with 20 N and the other pulls right with 15 N. What is the size of the net force, in newtons?
19. 19.💪 Is opening a drawer a push or a pull? (a) a pull (b) a push
20. 20.💪 In a tug of war, one team pulls right with 85 N and the other pulls left with 15 N. What is the size of the net force, in newtons?
21. 21.💪 A box weighs 520 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
22. 22.Which of these is caused by magnetic force? (a) lifting a school bag (b) squeezing a lemon (c) brakes stop a bicycle (d) a fridge magnet sticks
23. 23.💪 Is pulling a cart a push or a pull? (a) a push (b) a pull
24. 24.💪 In a tug of war, one team pulls right with 80 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) a rolling ball slows (b) squeezing a lemon (c) a compass needle turns (d) a river flows downhill
26. 26.True or false: kicking a football is a pull. (a) True (b) False
27. 27.💪 Two children push a box to the right, one with 20 N and the other with 80 N. What is the net (total) force on the box, in newtons?
28. 28.💪 Two children push a box to the right, one with 35 N and the other with 60 N. What is the net (total) force on the box, in newtons?
29. 29.💪 Which force is at work: squeezing a lemon? (a) magnetic force (b) muscular force (c) gravity (d) friction
30. 30.💪 Which force is at work: brakes stop a bicycle? (a) magnetic force (b) muscular force (c) gravity (d) friction
31. 31.💪 A bag has a mass of 18 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
32. 32.💪 Two children push a box to the right, one with 20 N and the other with 45 N. What is the net (total) force on the box, in newtons?
33. 33.💪 Two children push a box to the right, one with 60 N and the other with 25 N. What is the net (total) force on the box, in newtons?
34. 34.💪 Which force pulls everything towards the Earth? (a) magnetism (b) gravity (c) friction (d) wind
35. 35.True or false: pushing a swing is a push. (a) False (b) True
36. 36.💪 A bag has a mass of 16 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
37. 37.💪 A bag has a mass of 13 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
38. 38.💪 A cart is pulled to the right with 30 N and to the left with 20 N. Which way does the net force act? (a) no net force (b) to the left (c) to the right
39. 39.💪 In a tug of war, one team pulls left with 50 N and the other pulls right with 40 N. What is the size of the net force, in newtons?
40. 40.💪 Is pressing a doorbell a push or a pull? (a) a push (b) a pull

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