Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 664 · 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.💪 Is opening a drawer a push or a pull? (a) a pull (b) a push
2. 2.💪 Which force is at work: a magnet picks up pins? (a) friction (b) gravity (c) magnetic force (d) muscular force
3. 3.💪 Two equal forces push on a box from opposite sides. They are … (a) unbalanced (b) gravity (c) balanced (d) doubled
4. 4.💪 Which force is at work: a fridge magnet sticks? (a) friction (b) gravity (c) magnetic force (d) muscular force
5. 5.Which of these is caused by muscular force? (a) rain falls to the ground (b) squeezing a lemon (c) a thrown ball comes down (d) a rolling ball slows
6. 6.💪 A box weighs 230 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
7. 7.Which of these is caused by friction? (a) lifting a school bag (b) a river flows downhill (c) a compass needle turns (d) a rolling ball slows
8. 8.💪 Two children push a box to the right, one with 30 N and the other with 10 N. What is the net (total) force on the box, in newtons?
9. 9.💪 In a tug of war, one team pulls left with 30 N and the other pulls right with 10 N. What is the size of the net force, in newtons?
10. 10.💪 A cart is pulled to the right with 35 N and to the left with 40 N. Which way does the net force act? (a) to the left (b) no net force (c) to the right
11. 11.Which of these is caused by friction? (a) a thrown ball comes down (b) lifting a school bag (c) a river flows downhill (d) shoes grip the floor
12. 12.💪 Is pressing a doorbell a push or a pull? (a) a push (b) a pull
13. 13.💪 In a tug of war, one team pulls right with 80 N and the other pulls left with 55 N. What is the size of the net force, in newtons?
14. 14.True or false: pushing a trolley is a pull. (a) False (b) True
15. 15.True or false: drawing up a well bucket is a push. (a) True (b) False
16. 16.💪 A cart is pulled to the right with 30 N and to the left with 15 N. Which way does the net force act? (a) no net force (b) to the left (c) to the right
17. 17.💪 Is a tug of war a push or a pull? (a) a push (b) a pull
18. 18.💪 In which unit do we measure force? (a) litre (L) (b) metre (m) (c) newton (N) (d) second (s)
19. 19.Which of these is caused by gravity? (a) brakes stop a bicycle (b) a magnet picks up pins (c) a thrown ball comes down (d) a rolling ball slows
20. 20.💪 Is kicking a football a push or a pull? (a) a push (b) a pull
21. 21.💪 Which force is at work: an apple falls down? (a) friction (b) muscular force (c) gravity (d) magnetic force
22. 22.True or false: pulling up your socks is a push. (a) False (b) True
23. 23.💪 Two children push a box to the right, one with 40 N and the other with 90 N. What is the net (total) force on the box, in newtons?
24. 24.💪 Is pushing a swing a push or a pull? (a) a push (b) a pull
25. 25.💪 In a tug of war, one team pulls left with 95 N and the other pulls right with 20 N. What is the size of the net force, in newtons?
26. 26.💪 Which force is at work: a river flows downhill? (a) magnetic force (b) friction (c) gravity (d) muscular force
27. 27.Which of these is caused by gravity? (a) a rolling ball slows (b) rain falls to the ground (c) shoes grip the floor (d) a magnet picks up pins
28. 28.True or false: closing a drawer is a pull. (a) False (b) True
29. 29.Which of these is caused by gravity? (a) a fridge magnet sticks (b) a magnet picks up pins (c) squeezing a lemon (d) a river flows downhill
30. 30.💪 Which force is at work: squeezing a lemon? (a) muscular force (b) magnetic force (c) friction (d) gravity
31. 31.💪 Is pushing a trolley a push or a pull? (a) a pull (b) a push
32. 32.💪 A box weighs 310 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
33. 33.💪 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) no net force (b) to the right (c) to the left
34. 34.💪 A box weighs 410 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
35. 35.True or false: kicking a football is a pull. (a) False (b) True
36. 36.💪 A box weighs 420 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
37. 37.💪 Is pulling a cart a push or a pull? (a) a push (b) a pull
38. 38.💪 A bag has a mass of 32 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
39. 39.True or false: a tug of war is a pull. (a) False (b) True
40. 40.💪 Which force is at work: lifting a school bag? (a) friction (b) magnetic force (c) gravity (d) muscular force

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