Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 82 · 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) newton (N) (b) metre (m) (c) second (s) (d) litre (L)
2. 2.💪 Which force is at work: a rolling ball slows? (a) magnetic force (b) muscular force (c) friction (d) gravity
3. 3.💪 Which force is at work: a thrown ball comes down? (a) magnetic force (b) gravity (c) muscular force (d) friction
4. 4.💪 A bag has a mass of 40 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
5. 5.Which of these is caused by gravity? (a) a river flows downhill (b) a compass needle turns (c) lifting a school bag (d) pedalling a cycle
6. 6.True or false: closing a drawer is a push. (a) False (b) True
7. 7.True or false: pushing a swing is a push. (a) False (b) True
8. 8.💪 A box weighs 30 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
9. 9.💪 A bag has a mass of 7 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
10. 10.💪 Which can a force NOT do? (a) change its colour (b) start it moving (c) change its shape (d) stop it moving
11. 11.💪 Which force pulls everything towards the Earth? (a) magnetism (b) gravity (c) wind (d) friction
12. 12.True or false: kicking a football is a pull. (a) True (b) False
13. 13.💪 Which force is at work: rain falls to the ground? (a) gravity (b) magnetic force (c) friction (d) muscular force
14. 14.💪 Which force is at work: shoes grip the floor? (a) muscular force (b) magnetic force (c) friction (d) gravity
15. 15.💪 Is pulling up your socks a push or a pull? (a) a push (b) a pull
16. 16.💪 A bag has a mass of 56 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
17. 17.💪 Is hitting a cricket ball a push or a pull? (a) a pull (b) a push
18. 18.💪 Two children push a box to the right, one with 45 N and the other with 95 N. What is the net (total) force on the box, in newtons?
19. 19.💪 Which force is at work: lifting a school bag? (a) friction (b) gravity (c) muscular force (d) magnetic force
20. 20.Which of these is caused by muscular force? (a) rubbing hands warms them (b) pedalling a cycle (c) a compass needle turns (d) shoes grip the floor
21. 21.💪 Is closing a drawer a push or a pull? (a) a pull (b) a push
22. 22.💪 A box weighs 340 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
23. 23.💪 Which force is at work: pedalling a cycle? (a) muscular force (b) gravity (c) magnetic force (d) friction
24. 24.True or false: closing a drawer is a pull. (a) True (b) False
25. 25.💪 Which force is at work: a fridge magnet sticks? (a) friction (b) muscular force (c) magnetic force (d) gravity
26. 26.💪 A box weighs 250 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
27. 27.Which of these is caused by gravity? (a) squeezing a lemon (b) an apple falls down (c) shoes grip the floor (d) rubbing hands warms them
28. 28.💪 In a tug of war, one team pulls right with 70 N and the other pulls left with 30 N. What is the size of the net force, in newtons?
29. 29.💪 Two children push a box to the right, one with 20 N and the other with 15 N. What is the net (total) force on the box, in newtons?
30. 30.💪 Is a tug of war a push or a pull? (a) a pull (b) a push
31. 31.True or false: pressing a doorbell is a push. (a) True (b) False
32. 32.💪 Two children push a box to the right, one with 70 N and the other with 65 N. What is the net (total) force on the box, in newtons?
33. 33.True or false: pushing a trolley is a push. (a) False (b) True
34. 34.💪 Which force is at work: rubbing hands warms them? (a) muscular force (b) magnetic force (c) gravity (d) friction
35. 35.💪 A box weighs 500 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
36. 36.💪 Which force is at work: a magnet picks up pins? (a) magnetic force (b) muscular force (c) gravity (d) friction
37. 37.Which of these is caused by friction? (a) a fridge magnet sticks (b) lifting a school bag (c) rain falls to the ground (d) rubbing hands warms them
38. 38.True or false: pushing a trolley is a pull. (a) True (b) False
39. 39.True or false: drawing up a well bucket is a push. (a) False (b) True
40. 40.💪 A cart is pulled to the right with 90 N and to the left with 100 N. Which way does the net force act? (a) to the right (b) to the left (c) no net force

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