Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 611 · 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 of these is caused by gravity? (a) an apple falls down (b) pedalling a cycle (c) a compass needle turns (d) rubbing hands warms them
2. 2.💪 Is pushing a trolley a push or a pull? (a) a pull (b) a push
3. 3.💪 In which unit do we measure force? (a) metre (m) (b) newton (N) (c) litre (L) (d) second (s)
4. 4.Which of these is caused by friction? (a) a river flows downhill (b) a fridge magnet sticks (c) a rolling ball slows (d) an apple falls down
5. 5.Which of these is caused by gravity? (a) rubbing hands warms them (b) a thrown ball comes down (c) brakes stop a bicycle (d) a magnet picks up pins
6. 6.💪 Which force pulls everything towards the Earth? (a) wind (b) gravity (c) magnetism (d) friction
7. 7.True or false: hitting a cricket ball is a push. (a) False (b) True
8. 8.True or false: pushing a trolley is a pull. (a) False (b) True
9. 9.💪 A box weighs 230 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
10. 10.💪 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?
11. 11.Which of these is caused by friction? (a) brakes stop a bicycle (b) an apple falls down (c) a fridge magnet sticks (d) a thrown ball comes down
12. 12.💪 In a tug of war, one team pulls right with 20 N and the other pulls left with 5 N. What is the size of the net force, in newtons?
13. 13.💪 Is closing a drawer a push or a pull? (a) a push (b) a pull
14. 14.Which of these is caused by muscular force? (a) rubbing hands warms them (b) pedalling a cycle (c) a thrown ball comes down (d) a rolling ball slows
15. 15.💪 Is kicking a football a push or a pull? (a) a push (b) a pull
16. 16.💪 Two children push a box to the right, one with 85 N and the other with 95 N. What is the net (total) force on the box, in newtons?
17. 17.True or false: drawing up a well bucket is a pull. (a) True (b) False
18. 18.True or false: pressing a doorbell is a pull. (a) True (b) False
19. 19.💪 Which force is at work: shoes grip the floor? (a) friction (b) magnetic force (c) muscular force (d) gravity
20. 20.💪 A cart is pulled to the right with 60 N and to the left with 70 N. Which way does the net force act? (a) to the left (b) no net force (c) to the right
21. 21.💪 Which force is at work: an apple falls down? (a) magnetic force (b) friction (c) gravity (d) muscular force
22. 22.💪 Two children push a box to the right, one with 70 N and the other with 10 N. What is the net (total) force on the box, in newtons?
23. 23.💪 A cart is pulled to the right with 50 N and to the left with 55 N. Which way does the net force act? (a) to the right (b) no net force (c) to the left
24. 24.Which of these is caused by muscular force? (a) a compass needle turns (b) squeezing a lemon (c) a river flows downhill (d) a thrown ball comes down
25. 25.💪 Which force is at work: a magnet picks up pins? (a) gravity (b) friction (c) muscular force (d) magnetic force
26. 26.Which of these is caused by muscular force? (a) lifting a school bag (b) rubbing hands warms them (c) a river flows downhill (d) a compass needle turns
27. 27.💪 Two children push a box to the right, one with 15 N and the other with 45 N. What is the net (total) force on the box, in newtons?
28. 28.Which of these is caused by magnetic force? (a) pedalling a cycle (b) lifting a school bag (c) a magnet picks up pins (d) a rolling ball slows
29. 29.💪 Which force is at work: pedalling a cycle? (a) friction (b) gravity (c) muscular force (d) magnetic force
30. 30.💪 A cart is pulled to the right with 65 N and to the left with 55 N. Which way does the net force act? (a) to the left (b) to the right (c) no net force
31. 31.💪 Is pulling up your socks a push or a pull? (a) a push (b) a pull
32. 32.💪 Which force is at work: a rolling ball slows? (a) friction (b) magnetic force (c) gravity (d) muscular force
33. 33.💪 A box weighs 50 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
34. 34.💪 Two children push a box to the right, one with 10 N and the other with 25 N. What is the net (total) force on the box, in newtons?
35. 35.Which of these is caused by friction? (a) squeezing a lemon (b) pedalling a cycle (c) shoes grip the floor (d) an apple falls down
36. 36.💪 A box weighs 510 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
37. 37.💪 Two children push a box to the right, one with 65 N and the other with 20 N. What is the net (total) force on the box, in newtons?
38. 38.💪 A force is a … (a) kind of colour (b) unit of time (c) type of sound (d) push or a pull
39. 39.💪 In a tug of war, one team pulls left with 15 N and the other pulls right with 10 N. What is the size of the net force, in newtons?
40. 40.True or false: pressing a doorbell is a push. (a) True (b) False

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