Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 818 · 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: closing a drawer is a pull. (a) True (b) False
2. 2.Which of these is caused by magnetic force? (a) rain falls to the ground (b) a fridge magnet sticks (c) shoes grip the floor (d) a thrown ball comes down
3. 3.Which of these is caused by gravity? (a) a river flows downhill (b) shoes grip the floor (c) lifting a school bag (d) a fridge magnet sticks
4. 4.True or false: pushing a trolley is a push. (a) False (b) True
5. 5.💪 A force is a … (a) type of sound (b) kind of colour (c) unit of time (d) push or a pull
6. 6.💪 Is pushing a trolley a push or a pull? (a) a pull (b) a push
7. 7.💪 Which force is at work: pedalling a cycle? (a) magnetic force (b) muscular force (c) gravity (d) friction
8. 8.Which of these is caused by muscular force? (a) rain falls to the ground (b) a thrown ball comes down (c) lifting a school bag (d) an apple falls down
9. 9.💪 A cart is pulled to the right with 45 N and to the left with 40 N. Which way does the net force act? (a) no net force (b) to the right (c) to the left
10. 10.💪 Which force pulls everything towards the Earth? (a) friction (b) wind (c) magnetism (d) gravity
11. 11.💪 A cart is pulled to the right with 45 N and to the left with 55 N. Which way does the net force act? (a) no net force (b) to the right (c) to the left
12. 12.True or false: pushing a swing is a push. (a) True (b) False
13. 13.💪 In a tug of war, one team pulls right with 100 N and the other pulls left with 50 N. What is the size of the net force, in newtons?
14. 14.Which of these is caused by magnetic force? (a) rain falls to the ground (b) pedalling a cycle (c) squeezing a lemon (d) a magnet picks up pins
15. 15.💪 Which force is at work: squeezing a lemon? (a) magnetic force (b) friction (c) gravity (d) muscular force
16. 16.💪 Is closing a drawer a push or a pull? (a) a pull (b) a push
17. 17.Which of these is caused by magnetic force? (a) a compass needle turns (b) rain falls to the ground (c) a thrown ball comes down (d) squeezing a lemon
18. 18.💪 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?
19. 19.💪 A bag has a mass of 45 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
20. 20.💪 Two equal forces push on a box from opposite sides. They are … (a) unbalanced (b) doubled (c) balanced (d) gravity
21. 21.💪 In a tug of war, one team pulls right with 65 N and the other pulls left with 60 N. What is the size of the net force, in newtons?
22. 22.True or false: hitting a cricket ball is a push. (a) True (b) False
23. 23.Which of these is caused by gravity? (a) rain falls to the ground (b) a magnet picks up pins (c) lifting a school bag (d) a fridge magnet sticks
24. 24.💪 A cart is pulled to the right with 30 N and to the left with 45 N. Which way does the net force act? (a) to the right (b) no net force (c) to the left
25. 25.True or false: pushing a trolley is a pull. (a) True (b) False
26. 26.💪 A box weighs 130 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
27. 27.💪 Is pushing a swing a push or a pull? (a) a pull (b) a push
28. 28.💪 A bag has a mass of 43 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
29. 29.💪 A bag has a mass of 32 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
30. 30.Which of these is caused by friction? (a) rubbing hands warms them (b) a magnet picks up pins (c) an apple falls down (d) pedalling a cycle
31. 31.💪 Is pulling up your socks a push or a pull? (a) a push (b) a pull
32. 32.💪 In which unit do we measure force? (a) metre (m) (b) second (s) (c) litre (L) (d) newton (N)
33. 33.Which of these is caused by friction? (a) a river flows downhill (b) a magnet picks up pins (c) a rolling ball slows (d) a thrown ball comes down
34. 34.💪 Two children push a box to the right, one with 30 N and the other with 95 N. What is the net (total) force on the box, in newtons?
35. 35.💪 Is pulling a cart a push or a pull? (a) a push (b) a pull
36. 36.Which of these is caused by friction? (a) a river flows downhill (b) a magnet picks up pins (c) rain falls to the ground (d) brakes stop a bicycle
37. 37.💪 In a tug of war, one team pulls left with 90 N and the other pulls right with 5 N. What is the size of the net force, in newtons?
38. 38.💪 Which can a force NOT do? (a) stop it moving (b) start it moving (c) change its shape (d) change its colour
39. 39.💪 Which force is at work: rubbing hands warms them? (a) friction (b) muscular force (c) gravity (d) magnetic force
40. 40.True or false: pulling a cart is a pull. (a) True (b) False

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