Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 612 · 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.💪 Which force is at work: rain falls to the ground? (a) friction (b) magnetic force (c) muscular force (d) gravity
2. 2.💪 Which force is at work: shoes grip the floor? (a) friction (b) gravity (c) muscular force (d) magnetic force
3. 3.True or false: kicking a football is a push. (a) False (b) True
4. 4.Which of these is caused by muscular force? (a) pedalling a cycle (b) a magnet picks up pins (c) brakes stop a bicycle (d) a river flows downhill
5. 5.True or false: pushing a swing is a pull. (a) False (b) True
6. 6.💪 Which force is at work: an apple falls down? (a) muscular force (b) friction (c) gravity (d) magnetic force
7. 7.Which of these is caused by magnetic force? (a) a fridge magnet sticks (b) squeezing a lemon (c) rubbing hands warms them (d) rain falls to the ground
8. 8.💪 A box weighs 490 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
9. 9.💪 Which force is at work: a compass needle turns? (a) friction (b) muscular force (c) gravity (d) magnetic force
10. 10.💪 Which force is at work: rubbing hands warms them? (a) magnetic force (b) muscular force (c) gravity (d) friction
11. 11.Which of these is caused by friction? (a) a magnet picks up pins (b) a thrown ball comes down (c) a fridge magnet sticks (d) brakes stop a bicycle
12. 12.True or false: pulling a cart is a pull. (a) False (b) True
13. 13.💪 Which force is at work: a river flows downhill? (a) friction (b) magnetic force (c) gravity (d) muscular force
14. 14.Which of these is caused by gravity? (a) brakes stop a bicycle (b) rain falls to the ground (c) a compass needle turns (d) pedalling a cycle
15. 15.💪 Which force pulls everything towards the Earth? (a) friction (b) magnetism (c) wind (d) gravity
16. 16.💪 A bag has a mass of 41 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
17. 17.💪 In a tug of war, one team pulls right with 70 N and the other pulls left with 45 N. What is the size of the net force, in newtons?
18. 18.💪 A box weighs 510 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
19. 19.Which of these is caused by magnetic force? (a) a thrown ball comes down (b) a river flows downhill (c) a magnet picks up pins (d) rubbing hands warms them
20. 20.Which of these is caused by magnetic force? (a) a river flows downhill (b) a compass needle turns (c) an apple falls down (d) lifting a school bag
21. 21.True or false: a tug of war is a pull. (a) True (b) False
22. 22.💪 In a tug of war, one team pulls right with 35 N and the other pulls left with 10 N. What is the size of the net force, in newtons?
23. 23.True or false: drawing up a well bucket is a pull. (a) False (b) True
24. 24.💪 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?
25. 25.Which of these is caused by gravity? (a) a compass needle turns (b) lifting a school bag (c) a magnet picks up pins (d) a thrown ball comes down
26. 26.💪 A box weighs 350 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
27. 27.💪 A cart is pulled to the right with 80 N and to the left with 70 N. Which way does the net force act? (a) to the left (b) no net force (c) to the right
28. 28.True or false: pulling up your socks is a pull. (a) False (b) True
29. 29.💪 Two children push a box to the right, one with 75 N and the other with 70 N. What is the net (total) force on the box, in newtons?
30. 30.True or false: opening a drawer is a pull. (a) False (b) True
31. 31.💪 In which unit do we measure force? (a) litre (L) (b) newton (N) (c) metre (m) (d) second (s)
32. 32.💪 Two children push a box to the right, one with 25 N and the other with 35 N. What is the net (total) force on the box, in newtons?
33. 33.💪 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 left (b) no net force (c) to the right
34. 34.💪 Is closing a drawer a push or a pull? (a) a push (b) a pull
35. 35.💪 Two children push a box to the right, one with 80 N and the other with 80 N. What is the net (total) force on the box, in newtons?
36. 36.💪 Which can a force NOT do? (a) stop it moving (b) change its colour (c) start it moving (d) change its shape
37. 37.💪 Two children push a box to the right, one with 90 N and the other with 80 N. What is the net (total) force on the box, in newtons?
38. 38.💪 Is hitting a cricket ball a push or a pull? (a) a pull (b) a push
39. 39.💪 A bag has a mass of 48 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
40. 40.💪 Is drawing up a well bucket a push or a pull? (a) a push (b) a pull

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