Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 5 · 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: shoes grip the floor? (a) friction (b) gravity (c) magnetic force (d) muscular force
2. 2.💪 Two children push a box to the right, one with 45 N and the other with 100 N. What is the net (total) force on the box, in newtons?
3. 3.💪 Is hitting a cricket ball a push or a pull? (a) a push (b) a pull
4. 4.Which of these is caused by magnetic force? (a) a compass needle turns (b) a river flows downhill (c) shoes grip the floor (d) pedalling a cycle
5. 5.💪 In a tug of war, one team pulls right with 20 N and the other pulls left with 15 N. What is the size of the net force, in newtons?
6. 6.💪 Which force is at work: pedalling a cycle? (a) magnetic force (b) gravity (c) friction (d) muscular force
7. 7.Which of these is caused by gravity? (a) a compass needle turns (b) rain falls to the ground (c) lifting a school bag (d) a magnet picks up pins
8. 8.💪 Is kicking a football a push or a pull? (a) a push (b) a pull
9. 9.Which of these is caused by gravity? (a) an apple falls down (b) a fridge magnet sticks (c) squeezing a lemon (d) a magnet picks up pins
10. 10.Which of these is caused by muscular force? (a) a thrown ball comes down (b) an apple falls down (c) rain falls to the ground (d) pedalling a cycle
11. 11.💪 Two children push a box to the right, one with 60 N and the other with 100 N. What is the net (total) force on the box, in newtons?
12. 12.💪 A bag has a mass of 41 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
13. 13.💪 In a tug of war, one team pulls left with 100 N and the other pulls right with 60 N. What is the size of the net force, in newtons?
14. 14.💪 Which force is at work: a river flows downhill? (a) gravity (b) friction (c) magnetic force (d) muscular force
15. 15.💪 A force is a … (a) kind of colour (b) unit of time (c) type of sound (d) push or a pull
16. 16.Which of these is caused by muscular force? (a) an apple falls down (b) brakes stop a bicycle (c) squeezing a lemon (d) shoes grip the floor
17. 17.True or false: pulling a cart is a pull. (a) False (b) True
18. 18.💪 Which force is at work: lifting a school bag? (a) magnetic force (b) muscular force (c) gravity (d) friction
19. 19.True or false: opening a drawer is a push. (a) True (b) False
20. 20.💪 Which force pulls everything towards the Earth? (a) magnetism (b) wind (c) gravity (d) friction
21. 21.💪 A cart is pulled to the right with 90 N and to the left with 95 N. Which way does the net force act? (a) no net force (b) to the right (c) to the left
22. 22.💪 Which force is at work: squeezing a lemon? (a) friction (b) magnetic force (c) muscular force (d) gravity
23. 23.💪 Two children push a box to the right, one with 45 N and the other with 85 N. What is the net (total) force on the box, in newtons?
24. 24.💪 Which can a force NOT do? (a) change its shape (b) change its colour (c) start it moving (d) stop it moving
25. 25.True or false: a tug of war is a pull. (a) True (b) False
26. 26.💪 A box weighs 580 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
27. 27.💪 A bag has a mass of 17 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
28. 28.💪 Is a tug of war a push or a pull? (a) a push (b) a pull
29. 29.💪 A box weighs 450 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
30. 30.True or false: pulling up your socks is a push. (a) False (b) True
31. 31.💪 A cart is pulled to the right with 45 N and to the left with 35 N. Which way does the net force act? (a) no net force (b) to the right (c) to the left
32. 32.💪 A cart is pulled to the right with 35 N and to the left with 25 N. Which way does the net force act? (a) to the right (b) no net force (c) to the left
33. 33.💪 Is pulling up your socks a push or a pull? (a) a push (b) a pull
34. 34.💪 A box weighs 440 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
35. 35.💪 Two equal forces push on a box from opposite sides. They are … (a) doubled (b) unbalanced (c) gravity (d) balanced
36. 36.💪 Which force is at work: a compass needle turns? (a) gravity (b) friction (c) magnetic force (d) muscular force
37. 37.💪 A cart is pulled to the right with 20 N and to the left with 10 N. Which way does the net force act? (a) to the left (b) to the right (c) no net force
38. 38.💪 A bag has a mass of 44 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
39. 39.Which of these is caused by gravity? (a) pedalling a cycle (b) a rolling ball slows (c) shoes grip the floor (d) a thrown ball comes down
40. 40.💪 Which force is at work: rubbing hands warms them? (a) friction (b) gravity (c) magnetic force (d) muscular force

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