Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 321 · 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) gravity (b) friction (c) muscular force (d) magnetic force
2. 2.True or false: drawing up a well bucket is a push. (a) True (b) False
3. 3.True or false: kicking a football is a pull. (a) False (b) True
4. 4.💪 Which force is at work: a magnet picks up pins? (a) muscular force (b) gravity (c) friction (d) magnetic force
5. 5.Which of these is caused by magnetic force? (a) lifting a school bag (b) brakes stop a bicycle (c) rain falls to the ground (d) a magnet picks up pins
6. 6.💪 Is plucking a mango a push or a pull? (a) a push (b) a pull
7. 7.💪 Which force is at work: shoes grip the floor? (a) gravity (b) magnetic force (c) muscular force (d) friction
8. 8.Which of these is caused by magnetic force? (a) a compass needle turns (b) a thrown ball comes down (c) lifting a school bag (d) brakes stop a bicycle
9. 9.💪 A force is a … (a) type of sound (b) push or a pull (c) unit of time (d) kind of colour
10. 10.Which of these is caused by friction? (a) squeezing a lemon (b) an apple falls down (c) rubbing hands warms them (d) a magnet picks up pins
11. 11.💪 A box weighs 250 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
12. 12.💪 Is kicking a football a push or a pull? (a) a pull (b) a push
13. 13.💪 Is pushing a swing a push or a pull? (a) a pull (b) a push
14. 14.💪 In which unit do we measure force? (a) newton (N) (b) litre (L) (c) second (s) (d) metre (m)
15. 15.True or false: pushing a swing is a pull. (a) False (b) True
16. 16.💪 Two equal forces push on a box from opposite sides. They are … (a) gravity (b) unbalanced (c) balanced (d) doubled
17. 17.💪 Which force is at work: squeezing a lemon? (a) gravity (b) muscular force (c) friction (d) magnetic force
18. 18.True or false: pressing a doorbell is a push. (a) True (b) False
19. 19.💪 Which force pulls everything towards the Earth? (a) wind (b) gravity (c) friction (d) magnetism
20. 20.Which of these is caused by muscular force? (a) squeezing a lemon (b) rain falls to the ground (c) a thrown ball comes down (d) shoes grip the floor
21. 21.💪 Which force is at work: a rolling ball slows? (a) friction (b) magnetic force (c) gravity (d) muscular force
22. 22.💪 Is pushing a trolley a push or a pull? (a) a push (b) a pull
23. 23.True or false: opening a drawer is a push. (a) True (b) False
24. 24.True or false: kicking a football is a push. (a) False (b) True
25. 25.💪 Which force is at work: brakes stop a bicycle? (a) magnetic force (b) gravity (c) friction (d) muscular force
26. 26.💪 A cart is pulled to the right with 30 N and to the left with 30 N. Which way does the net force act? (a) to the left (b) no net force (c) to the right
27. 27.💪 Which force is at work: a thrown ball comes down? (a) friction (b) magnetic force (c) gravity (d) muscular force
28. 28.💪 In a tug of war, one team pulls left with 40 N and the other pulls right with 25 N. What is the size of the net force, in newtons?
29. 29.💪 Two children push a box to the right, one with 65 N and the other with 25 N. What is the net (total) force on the box, in newtons?
30. 30.💪 A box weighs 540 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
31. 31.Which of these is caused by gravity? (a) rubbing hands warms them (b) rain falls to the ground (c) a compass needle turns (d) a magnet picks up pins
32. 32.💪 A cart is pulled to the right with 30 N and to the left with 20 N. Which way does the net force act? (a) to the right (b) no net force (c) to the left
33. 33.💪 A cart is pulled to the right with 95 N and to the left with 85 N. Which way does the net force act? (a) to the right (b) no net force (c) to the left
34. 34.Which of these is caused by muscular force? (a) rain falls to the ground (b) pedalling a cycle (c) an apple falls down (d) a river flows downhill
35. 35.💪 Two children push a box to the right, one with 75 N and the other with 20 N. What is the net (total) force on the box, in newtons?
36. 36.Which of these is caused by friction? (a) shoes grip the floor (b) a fridge magnet sticks (c) rain falls to the ground (d) a thrown ball comes down
37. 37.💪 Two children push a box to the right, one with 5 N and the other with 100 N. What is the net (total) force on the box, in newtons?
38. 38.True or false: closing a drawer is a push. (a) True (b) False
39. 39.💪 Which force is at work: a river flows downhill? (a) magnetic force (b) muscular force (c) gravity (d) friction
40. 40.💪 Which can a force NOT do? (a) change its shape (b) stop it moving (c) change its colour (d) start it moving

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