Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 812 · 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.💪 A box weighs 460 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
2. 2.💪 Which force is at work: a river flows downhill? (a) muscular force (b) gravity (c) magnetic force (d) friction
3. 3.💪 Is opening a drawer a push or a pull? (a) a push (b) a pull
4. 4.💪 Which force is at work: lifting a school bag? (a) magnetic force (b) friction (c) gravity (d) muscular force
5. 5.Which of these is caused by friction? (a) a thrown ball comes down (b) a rolling ball slows (c) squeezing a lemon (d) a fridge magnet sticks
6. 6.True or false: closing a drawer is a pull. (a) True (b) False
7. 7.Which of these is caused by muscular force? (a) pedalling a cycle (b) a river flows downhill (c) shoes grip the floor (d) a fridge magnet sticks
8. 8.Which of these is caused by gravity? (a) a river flows downhill (b) a rolling ball slows (c) lifting a school bag (d) a fridge magnet sticks
9. 9.💪 In a tug of war, one team pulls right with 45 N and the other pulls left with 20 N. What is the size of the net force, in newtons?
10. 10.True or false: pressing a doorbell is a pull. (a) False (b) True
11. 11.True or false: a tug of war is a push. (a) False (b) True
12. 12.💪 A bag has a mass of 5 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
13. 13.Which of these is caused by magnetic force? (a) a magnet picks up pins (b) squeezing a lemon (c) rain falls to the ground (d) a river flows downhill
14. 14.True or false: drawing up a well bucket is a pull. (a) True (b) False
15. 15.Which of these is caused by friction? (a) squeezing a lemon (b) a thrown ball comes down (c) shoes grip the floor (d) a magnet picks up pins
16. 16.💪 A cart is pulled to the right with 40 N and to the left with 25 N. Which way does the net force act? (a) to the right (b) to the left (c) no net force
17. 17.Which of these is caused by magnetic force? (a) a rolling ball slows (b) an apple falls down (c) rubbing hands warms them (d) a compass needle turns
18. 18.💪 Is pushing a swing a push or a pull? (a) a push (b) a pull
19. 19.💪 Is pushing a trolley a push or a pull? (a) a push (b) a pull
20. 20.True or false: pulling up your socks is a push. (a) True (b) False
21. 21.💪 A cart is pulled to the right with 100 N and to the left with 110 N. Which way does the net force act? (a) to the left (b) to the right (c) no net force
22. 22.💪 Which force is at work: pedalling a cycle? (a) friction (b) gravity (c) magnetic force (d) muscular force
23. 23.Which of these is caused by gravity? (a) lifting a school bag (b) a compass needle turns (c) a rolling ball slows (d) an apple falls down
24. 24.True or false: pushing a swing is a push. (a) True (b) False
25. 25.💪 Is drawing up a well bucket a push or a pull? (a) a pull (b) a push
26. 26.💪 Which force is at work: a thrown ball comes down? (a) magnetic force (b) friction (c) muscular force (d) gravity
27. 27.💪 Which force is at work: a magnet picks up pins? (a) friction (b) gravity (c) magnetic force (d) muscular force
28. 28.💪 A box weighs 410 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
29. 29.💪 A cart is pulled to the right with 45 N and to the left with 55 N. Which way does the net force act? (a) no net force (b) to the right (c) to the left
30. 30.💪 Which force pulls everything towards the Earth? (a) magnetism (b) wind (c) gravity (d) friction
31. 31.Which of these is caused by friction? (a) an apple falls down (b) rain falls to the ground (c) a magnet picks up pins (d) rubbing hands warms them
32. 32.True or false: plucking a mango is a pull. (a) True (b) False
33. 33.True or false: kicking a football is a pull. (a) True (b) False
34. 34.True or false: pressing a doorbell is a push. (a) True (b) False
35. 35.💪 Which force is at work: an apple falls down? (a) friction (b) gravity (c) muscular force (d) magnetic force
36. 36.💪 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?
37. 37.💪 Is kicking a football a push or a pull? (a) a push (b) a pull
38. 38.💪 Two children push a box to the right, one with 60 N and the other with 65 N. What is the net (total) force on the box, in newtons?
39. 39.💪 A box weighs 440 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
40. 40.True or false: hitting a cricket ball is a pull. (a) False (b) True

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