Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 566 · 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: plucking a mango is a pull. (a) True (b) False
2. 2.💪 In a tug of war, one team pulls left with 20 N and the other pulls right with 10 N. What is the size of the net force, in newtons?
3. 3.💪 Is pulling up your socks a push or a pull? (a) a push (b) a pull
4. 4.💪 A box weighs 70 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
5. 5.💪 Is pressing a doorbell a push or a pull? (a) a pull (b) a push
6. 6.💪 A bag has a mass of 35 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
7. 7.Which of these is caused by gravity? (a) pedalling a cycle (b) a fridge magnet sticks (c) a compass needle turns (d) rain falls to the ground
8. 8.💪 A bag has a mass of 60 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
9. 9.💪 Two children push a box to the right, one with 45 N and the other with 70 N. What is the net (total) force on the box, in newtons?
10. 10.💪 A bag has a mass of 13 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
11. 11.💪 A box weighs 580 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
12. 12.💪 Which force pulls everything towards the Earth? (a) friction (b) magnetism (c) wind (d) gravity
13. 13.💪 A cart is pulled to the right with 95 N and to the left with 80 N. Which way does the net force act? (a) to the right (b) no net force (c) to the left
14. 14.💪 Is pushing a trolley a push or a pull? (a) a pull (b) a push
15. 15.Which of these is caused by gravity? (a) a compass needle turns (b) a thrown ball comes down (c) rubbing hands warms them (d) a rolling ball slows
16. 16.💪 Two equal forces push on a box from opposite sides. They are … (a) gravity (b) balanced (c) unbalanced (d) doubled
17. 17.💪 Which can a force NOT do? (a) stop it moving (b) change its shape (c) change its colour (d) start it moving
18. 18.💪 Is kicking a football a push or a pull? (a) a push (b) a pull
19. 19.💪 A box weighs 160 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
20. 20.💪 Which force is at work: shoes grip the floor? (a) muscular force (b) friction (c) gravity (d) magnetic force
21. 21.💪 Is pushing a swing a push or a pull? (a) a push (b) a pull
22. 22.💪 Which force is at work: a rolling ball slows? (a) magnetic force (b) gravity (c) friction (d) muscular force
23. 23.True or false: kicking a football is a pull. (a) False (b) True
24. 24.💪 Which force is at work: pedalling a cycle? (a) magnetic force (b) muscular force (c) friction (d) gravity
25. 25.True or false: pushing a trolley is a push. (a) True (b) False
26. 26.True or false: closing a drawer is a push. (a) False (b) True
27. 27.💪 Two children push a box to the right, one with 5 N and the other with 35 N. What is the net (total) force on the box, in newtons?
28. 28.💪 A cart is pulled to the right with 20 N and to the left with 15 N. Which way does the net force act? (a) no net force (b) to the left (c) to the right
29. 29.True or false: pulling a cart is a pull. (a) False (b) True
30. 30.💪 Which force is at work: lifting a school bag? (a) friction (b) magnetic force (c) gravity (d) muscular force
31. 31.True or false: drawing up a well bucket is a pull. (a) True (b) False
32. 32.💪 A cart is pulled to the right with 85 N and to the left with 75 N. Which way does the net force act? (a) to the left (b) no net force (c) to the right
33. 33.💪 Which force is at work: squeezing a lemon? (a) muscular force (b) friction (c) magnetic force (d) gravity
34. 34.💪 Is hitting a cricket ball a push or a pull? (a) a pull (b) a push
35. 35.True or false: pulling up your socks is a pull. (a) False (b) True
36. 36.💪 Which force is at work: rubbing hands warms them? (a) friction (b) gravity (c) muscular force (d) magnetic force
37. 37.💪 Which force is at work: a thrown ball comes down? (a) muscular force (b) magnetic force (c) friction (d) gravity
38. 38.💪 Is drawing up a well bucket a push or a pull? (a) a pull (b) a push
39. 39.💪 Two children push a box to the right, one with 70 N and the other with 25 N. What is the net (total) force on the box, in newtons?
40. 40.True or false: closing a drawer is a pull. (a) False (b) True

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