Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 138 · 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.💪 A box weighs 120 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
2. 2.💪 Which force pulls everything towards the Earth? (a) gravity (b) magnetism (c) wind (d) friction
3. 3.💪 Is pushing a trolley a push or a pull? (a) a pull (b) a push
4. 4.💪 A cart is pulled to the right with 95 N and to the left with 105 N. Which way does the net force act? (a) no net force (b) to the right (c) to the left
5. 5.💪 Two children push a box to the right, one with 25 N and the other with 40 N. What is the net (total) force on the box, in newtons?
6. 6.💪 Is pushing a swing 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.💪 In a tug of war, one team pulls left with 45 N and the other pulls right with 20 N. What is the size of the net force, in newtons?
9. 9.💪 Is pulling a cart a push or a pull? (a) a push (b) a pull
10. 10.💪 Which force is at work: a compass needle turns? (a) muscular force (b) gravity (c) magnetic force (d) friction
11. 11.💪 Which force is at work: rubbing hands warms them? (a) gravity (b) friction (c) magnetic force (d) muscular force
12. 12.💪 Is closing a drawer a push or a pull? (a) a push (b) a pull
13. 13.Which of these is caused by magnetic force? (a) shoes grip the floor (b) rubbing hands warms them (c) a river flows downhill (d) a compass needle turns
14. 14.Which of these is caused by gravity? (a) squeezing a lemon (b) lifting a school bag (c) a thrown ball comes down (d) a rolling ball slows
15. 15.💪 Is hitting a cricket ball a push or a pull? (a) a push (b) a pull
16. 16.💪 Which force is at work: an apple falls down? (a) magnetic force (b) muscular force (c) friction (d) gravity
17. 17.Which of these is caused by muscular force? (a) a magnet picks up pins (b) squeezing a lemon (c) a rolling ball slows (d) shoes grip the floor
18. 18.💪 Which force is at work: shoes grip the floor? (a) muscular force (b) gravity (c) friction (d) magnetic force
19. 19.💪 Is kicking a football a push or a pull? (a) a pull (b) a push
20. 20.💪 Two children push a box to the right, one with 25 N and the other with 100 N. What is the net (total) force on the box, in newtons?
21. 21.True or false: closing a drawer is a pull. (a) False (b) True
22. 22.💪 A cart is pulled to the right with 80 N and to the left with 75 N. Which way does the net force act? (a) no net force (b) to the left (c) to the right
23. 23.💪 Two children push a box to the right, one with 85 N and the other with 75 N. What is the net (total) force on the box, in newtons?
24. 24.Which of these is caused by friction? (a) pedalling a cycle (b) squeezing a lemon (c) rubbing hands warms them (d) an apple falls down
25. 25.💪 Is opening a drawer a push or a pull? (a) a pull (b) a push
26. 26.True or false: opening a drawer is a push. (a) True (b) False
27. 27.True or false: a tug of war is a push. (a) False (b) True
28. 28.Which of these is caused by muscular force? (a) a rolling ball slows (b) pedalling a cycle (c) shoes grip the floor (d) a fridge magnet sticks
29. 29.💪 A cart is pulled to the right with 100 N and to the left with 110 N. Which way does the net force act? (a) to the left (b) no net force (c) to the right
30. 30.💪 Which can a force NOT do? (a) change its shape (b) change its colour (c) start it moving (d) stop it moving
31. 31.💪 A force is a … (a) push or a pull (b) type of sound (c) unit of time (d) kind of colour
32. 32.💪 Which force is at work: pedalling a cycle? (a) muscular force (b) gravity (c) magnetic force (d) friction
33. 33.💪 In a tug of war, one team pulls left with 70 N and the other pulls right with 45 N. What is the size of the net force, in newtons?
34. 34.Which of these is caused by magnetic force? (a) a river flows downhill (b) lifting a school bag (c) pedalling a cycle (d) a fridge magnet sticks
35. 35.💪 In a tug of war, one team pulls left with 20 N and the other pulls right with 15 N. What is the size of the net force, in newtons?
36. 36.💪 In a tug of war, one team pulls right with 10 N and the other pulls left with 5 N. What is the size of the net force, in newtons?
37. 37.Which of these is caused by gravity? (a) a fridge magnet sticks (b) lifting a school bag (c) an apple falls down (d) a rolling ball slows
38. 38.💪 In which unit do we measure force? (a) metre (m) (b) newton (N) (c) second (s) (d) litre (L)
39. 39.True or false: pressing a doorbell is a push. (a) False (b) True
40. 40.💪 In a tug of war, one team pulls right with 90 N and the other pulls left with 15 N. What is the size of the net force, in newtons?

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