Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 761 · 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: rain falls to the ground? (a) friction (b) muscular force (c) gravity (d) magnetic force
2. 2.💪 A box weighs 220 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
3. 3.💪 Which can a force NOT do? (a) stop it moving (b) change its shape (c) start it moving (d) change its colour
4. 4.True or false: drawing up a well bucket is a push. (a) True (b) False
5. 5.💪 In which unit do we measure force? (a) metre (m) (b) second (s) (c) newton (N) (d) litre (L)
6. 6.💪 Is drawing up a well bucket a push or a pull? (a) a push (b) a pull
7. 7.💪 Is plucking a mango a push or a pull? (a) a push (b) a pull
8. 8.💪 A bag has a mass of 17 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
9. 9.True or false: a tug of war is a push. (a) True (b) False
10. 10.💪 A cart is pulled to the right with 40 N and to the left with 40 N. Which way does the net force act? (a) no net force (b) to the left (c) to the right
11. 11.💪 In a tug of war, one team pulls left with 50 N and the other pulls right with 10 N. What is the size of the net force, in newtons?
12. 12.💪 Which force is at work: a river flows downhill? (a) magnetic force (b) friction (c) muscular force (d) gravity
13. 13.Which of these is caused by gravity? (a) a compass needle turns (b) brakes stop a bicycle (c) a thrown ball comes down (d) a magnet picks up pins
14. 14.💪 Is a tug of war a push or a pull? (a) a push (b) a pull
15. 15.💪 A bag has a mass of 47 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
16. 16.💪 A force is a … (a) type of sound (b) push or a pull (c) unit of time (d) kind of colour
17. 17.💪 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?
18. 18.Which of these is caused by muscular force? (a) rain falls to the ground (b) pedalling a cycle (c) brakes stop a bicycle (d) a compass needle turns
19. 19.True or false: a tug of war is a pull. (a) False (b) True
20. 20.💪 A box weighs 390 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
21. 21.💪 Is opening a drawer a push or a pull? (a) a pull (b) a push
22. 22.💪 Which force is at work: pedalling a cycle? (a) gravity (b) friction (c) muscular force (d) magnetic force
23. 23.💪 Two children push a box to the right, one with 90 N and the other with 45 N. What is the net (total) force on the box, in newtons?
24. 24.💪 A cart is pulled to the right with 80 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
25. 25.Which of these is caused by gravity? (a) pedalling a cycle (b) squeezing a lemon (c) a river flows downhill (d) a fridge magnet sticks
26. 26.💪 Two children push a box to the right, one with 75 N and the other with 25 N. What is the net (total) force on the box, in newtons?
27. 27.💪 Two children push a box to the right, one with 50 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 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
29. 29.💪 Which force is at work: rubbing hands warms them? (a) muscular force (b) magnetic force (c) gravity (d) friction
30. 30.True or false: pushing a swing is a pull. (a) True (b) False
31. 31.Which of these is caused by gravity? (a) a magnet picks up pins (b) an apple falls down (c) a fridge magnet sticks (d) brakes stop a bicycle
32. 32.💪 A cart is pulled to the right with 70 N and to the left with 85 N. Which way does the net force act? (a) to the right (b) to the left (c) no net force
33. 33.💪 Is pulling a cart a push or a pull? (a) a pull (b) a push
34. 34.Which of these is caused by magnetic force? (a) squeezing a lemon (b) brakes stop a bicycle (c) lifting a school bag (d) a fridge magnet sticks
35. 35.💪 A bag has a mass of 18 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
36. 36.💪 Two children push a box to the right, one with 30 N and the other with 70 N. What is the net (total) force on the box, in newtons?
37. 37.💪 A bag has a mass of 45 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
38. 38.True or false: kicking a football is a push. (a) False (b) True
39. 39.💪 Is closing a drawer a push or a pull? (a) a pull (b) a push
40. 40.True or false: pulling up your socks is a pull. (a) True (b) False

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