Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 187 · 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: pushing a swing is a pull. (a) True (b) False
2. 2.💪 A cart is pulled to the right with 90 N and to the left with 75 N. Which way does the net force act? (a) no net force (b) to the right (c) to the left
3. 3.💪 Which force is at work: a rolling ball slows? (a) friction (b) magnetic force (c) gravity (d) muscular force
4. 4.💪 Which can a force NOT do? (a) stop it moving (b) change its colour (c) change its shape (d) start it moving
5. 5.💪 In a tug of war, one team pulls left with 35 N and the other pulls right with 30 N. What is the size of the net force, in newtons?
6. 6.💪 Two children push a box to the right, one with 15 N and the other with 10 N. What is the net (total) force on the box, in newtons?
7. 7.💪 Is pulling up your socks a push or a pull? (a) a push (b) a pull
8. 8.💪 Is plucking a mango a push or a pull? (a) a push (b) a pull
9. 9.💪 Which force is at work: pedalling a cycle? (a) friction (b) gravity (c) magnetic force (d) muscular force
10. 10.Which of these is caused by friction? (a) a fridge magnet sticks (b) a river flows downhill (c) shoes grip the floor (d) an apple falls down
11. 11.Which of these is caused by muscular force? (a) lifting a school bag (b) an apple falls down (c) a thrown ball comes down (d) brakes stop a bicycle
12. 12.💪 Is pushing a swing a push or a pull? (a) a pull (b) a push
13. 13.💪 Which force is at work: a compass needle turns? (a) muscular force (b) gravity (c) magnetic force (d) friction
14. 14.True or false: pulling up your socks is a pull. (a) True (b) False
15. 15.True or false: opening a drawer is a pull. (a) True (b) False
16. 16.💪 A box weighs 480 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
17. 17.True or false: plucking a mango is a push. (a) False (b) True
18. 18.True or false: pressing a doorbell is a push. (a) False (b) True
19. 19.💪 Two equal forces push on a box from opposite sides. They are … (a) gravity (b) unbalanced (c) doubled (d) balanced
20. 20.Which of these is caused by magnetic force? (a) a compass needle turns (b) brakes stop a bicycle (c) a river flows downhill (d) rain falls to the ground
21. 21.True or false: hitting a cricket ball is a push. (a) False (b) True
22. 22.💪 A box weighs 450 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
23. 23.Which of these is caused by friction? (a) squeezing a lemon (b) an apple falls down (c) lifting a school bag (d) a rolling ball slows
24. 24.💪 Which force is at work: a thrown ball comes down? (a) muscular force (b) friction (c) magnetic force (d) gravity
25. 25.💪 Two children push a box to the right, one with 80 N and the other with 25 N. What is the net (total) force on the box, in newtons?
26. 26.True or false: hitting a cricket ball is a pull. (a) False (b) True
27. 27.💪 Which force is at work: squeezing a lemon? (a) friction (b) gravity (c) muscular force (d) magnetic force
28. 28.💪 Is pulling a cart a push or a pull? (a) a push (b) a pull
29. 29.True or false: plucking a mango is a pull. (a) False (b) True
30. 30.True or false: pulling a cart is a pull. (a) True (b) False
31. 31.💪 Is opening a drawer a push or a pull? (a) a push (b) a pull
32. 32.💪 Two children push a box to the right, one with 5 N and the other with 30 N. What is the net (total) force on the box, in newtons?
33. 33.True or false: pulling a cart is a push. (a) False (b) True
34. 34.💪 A bag has a mass of 6 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
35. 35.💪 Two children push a box to the right, one with 70 N and the other with 95 N. What is the net (total) force on the box, in newtons?
36. 36.True or false: kicking a football is a push. (a) True (b) False
37. 37.💪 Two children push a box to the right, one with 25 N and the other with 70 N. What is the net (total) force on the box, in newtons?
38. 38.💪 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?
39. 39.💪 A bag has a mass of 44 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
40. 40.True or false: drawing up a well bucket is a push. (a) True (b) False

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