Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 574 · 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 magnetic force? (a) pedalling a cycle (b) a magnet picks up pins (c) an apple falls down (d) rain falls to the ground
2. 2.💪 Which force is at work: an apple falls down? (a) muscular force (b) friction (c) magnetic force (d) gravity
3. 3.True or false: a tug of war is a pull. (a) True (b) False
4. 4.Which of these is caused by gravity? (a) a river flows downhill (b) rubbing hands warms them (c) brakes stop a bicycle (d) a magnet picks up pins
5. 5.💪 Which force is at work: rain falls to the ground? (a) friction (b) magnetic force (c) gravity (d) muscular force
6. 6.💪 A box weighs 230 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
7. 7.💪 In which unit do we measure force? (a) litre (L) (b) metre (m) (c) second (s) (d) newton (N)
8. 8.True or false: closing a drawer is a pull. (a) True (b) False
9. 9.💪 Which force is at work: a thrown ball comes down? (a) gravity (b) friction (c) magnetic force (d) muscular force
10. 10.💪 Two children push a box to the right, one with 75 N and the other with 40 N. What is the net (total) force on the box, in newtons?
11. 11.True or false: plucking a mango is a push. (a) True (b) False
12. 12.💪 A box weighs 560 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
13. 13.💪 Is closing a drawer a push or a pull? (a) a pull (b) a push
14. 14.💪 Which force is at work: shoes grip the floor? (a) friction (b) muscular force (c) magnetic force (d) gravity
15. 15.Which of these is caused by gravity? (a) an apple falls down (b) pedalling a cycle (c) shoes grip the floor (d) lifting a school bag
16. 16.💪 Is pushing a swing a push or a pull? (a) a pull (b) a push
17. 17.💪 Which force is at work: a fridge magnet sticks? (a) friction (b) magnetic force (c) gravity (d) muscular force
18. 18.💪 Is hitting a cricket ball a push or a pull? (a) a push (b) a pull
19. 19.💪 In a tug of war, one team pulls right with 85 N and the other pulls left with 50 N. What is the size of the net force, in newtons?
20. 20.💪 Two children push a box to the right, one with 100 N and the other with 100 N. What is the net (total) force on the box, in newtons?
21. 21.💪 Is pulling up your socks a push or a pull? (a) a pull (b) a push
22. 22.Which of these is caused by magnetic force? (a) rubbing hands warms them (b) a compass needle turns (c) squeezing a lemon (d) pedalling a cycle
23. 23.True or false: kicking a football is a push. (a) True (b) False
24. 24.Which of these is caused by muscular force? (a) brakes stop a bicycle (b) lifting a school bag (c) a river flows downhill (d) an apple falls down
25. 25.💪 Is pulling a cart a push or a pull? (a) a pull (b) a push
26. 26.💪 In a tug of war, one team pulls left with 15 N and the other pulls right with 5 N. What is the size of the net force, in newtons?
27. 27.💪 Which can a force NOT do? (a) change its shape (b) change its colour (c) start it moving (d) stop it moving
28. 28.True or false: drawing up a well bucket is a pull. (a) False (b) True
29. 29.💪 Which force is at work: a compass needle turns? (a) friction (b) gravity (c) magnetic force (d) muscular force
30. 30.💪 Two equal forces push on a box from opposite sides. They are … (a) balanced (b) unbalanced (c) gravity (d) doubled
31. 31.Which of these is caused by friction? (a) rubbing hands warms them (b) squeezing a lemon (c) a fridge magnet sticks (d) a thrown ball comes down
32. 32.💪 A force is a … (a) unit of time (b) type of sound (c) push or a pull (d) kind of colour
33. 33.💪 Is kicking a football a push or a pull? (a) a pull (b) a push
34. 34.💪 A box weighs 540 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
35. 35.True or false: pulling up your socks is a pull. (a) True (b) False
36. 36.💪 A box weighs 110 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
37. 37.💪 Is drawing up a well bucket a push or a pull? (a) a push (b) a pull
38. 38.💪 Which force pulls everything towards the Earth? (a) magnetism (b) friction (c) gravity (d) wind
39. 39.Which of these is caused by friction? (a) a river flows downhill (b) shoes grip the floor (c) a compass needle turns (d) rain falls to the ground
40. 40.💪 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) to the right (b) no net force (c) to the left

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