Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 234 · 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 push. (a) True (b) False
2. 2.True or false: a tug of war is a pull. (a) True (b) False
3. 3.💪 A bag has a mass of 45 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
4. 4.💪 A box weighs 100 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
5. 5.💪 In a tug of war, one team pulls left with 100 N and the other pulls right with 95 N. What is the size of the net force, in newtons?
6. 6.Which of these is caused by gravity? (a) lifting a school bag (b) a river flows downhill (c) rubbing hands warms them (d) a fridge magnet sticks
7. 7.💪 Which force is at work: an apple falls down? (a) magnetic force (b) friction (c) muscular force (d) gravity
8. 8.True or false: plucking a mango is a pull. (a) False (b) True
9. 9.💪 Which force is at work: a thrown ball comes down? (a) gravity (b) magnetic force (c) muscular force (d) friction
10. 10.Which of these is caused by friction? (a) pedalling a cycle (b) rain falls to the ground (c) lifting a school bag (d) a rolling ball slows
11. 11.Which of these is caused by magnetic force? (a) a fridge magnet sticks (b) brakes stop a bicycle (c) shoes grip the floor (d) a river flows downhill
12. 12.💪 Is pulling up your socks a push or a pull? (a) a pull (b) a push
13. 13.💪 Which force is at work: a river flows downhill? (a) muscular force (b) magnetic force (c) gravity (d) friction
14. 14.💪 A box weighs 550 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
15. 15.💪 Is a tug of war a push or a pull? (a) a pull (b) a push
16. 16.True or false: opening a drawer is a pull. (a) False (b) True
17. 17.💪 Two children push a box to the right, one with 35 N and the other with 20 N. What is the net (total) force on the box, in newtons?
18. 18.💪 A bag has a mass of 8 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
19. 19.True or false: opening a drawer is a push. (a) True (b) False
20. 20.💪 Which force is at work: shoes grip the floor? (a) friction (b) muscular force (c) gravity (d) magnetic force
21. 21.💪 A bag has a mass of 14 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
22. 22.💪 A box weighs 240 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
23. 23.True or false: pushing a swing is a push. (a) False (b) True
24. 24.💪 Is pushing a swing a push or a pull? (a) a pull (b) a push
25. 25.💪 A bag has a mass of 1 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
26. 26.💪 In which unit do we measure force? (a) litre (L) (b) metre (m) (c) second (s) (d) newton (N)
27. 27.💪 A force is a … (a) push or a pull (b) type of sound (c) unit of time (d) kind of colour
28. 28.True or false: kicking a football is a pull. (a) False (b) True
29. 29.True or false: drawing up a well bucket is a push. (a) False (b) True
30. 30.Which of these is caused by gravity? (a) a compass needle turns (b) lifting a school bag (c) a thrown ball comes down (d) brakes stop a bicycle
31. 31.💪 Is pressing a doorbell a push or a pull? (a) a pull (b) a push
32. 32.True or false: kicking a football is a push. (a) False (b) True
33. 33.💪 Is hitting a cricket ball a push or a pull? (a) a push (b) a pull
34. 34.💪 Two children push a box to the right, one with 90 N and the other with 20 N. What is the net (total) force on the box, in newtons?
35. 35.Which of these is caused by muscular force? (a) lifting a school bag (b) brakes stop a bicycle (c) shoes grip the floor (d) an apple falls down
36. 36.Which of these is caused by muscular force? (a) a thrown ball comes down (b) a river flows downhill (c) squeezing a lemon (d) shoes grip the floor
37. 37.💪 Two equal forces push on a box from opposite sides. They are … (a) balanced (b) doubled (c) unbalanced (d) gravity
38. 38.💪 A cart is pulled to the right with 25 N and to the left with 30 N. Which way does the net force act? (a) to the right (b) no net force (c) to the left
39. 39.Which of these is caused by magnetic force? (a) pedalling a cycle (b) a thrown ball comes down (c) a magnet picks up pins (d) rain falls to the ground
40. 40.True or false: drawing up a well bucket is a pull. (a) False (b) True

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