Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 474 · 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 cart is pulled to the right with 35 N and to the left with 45 N. Which way does the net force act? (a) to the right (b) no net force (c) to the left
2. 2.Which of these is caused by muscular force? (a) an apple falls down (b) lifting a school bag (c) a fridge magnet sticks (d) a river flows downhill
3. 3.True or false: pulling up your socks is a push. (a) False (b) True
4. 4.💪 Two children push a box to the right, one with 35 N and the other with 100 N. What is the net (total) force on the box, in newtons?
5. 5.💪 Which force is at work: rain falls to the ground? (a) gravity (b) magnetic force (c) friction (d) muscular force
6. 6.💪 A bag has a mass of 54 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
7. 7.💪 Is plucking a mango a push or a pull? (a) a pull (b) a push
8. 8.True or false: pulling up your socks is a pull. (a) False (b) True
9. 9.💪 Which force is at work: shoes grip the floor? (a) gravity (b) magnetic force (c) muscular force (d) friction
10. 10.Which of these is caused by gravity? (a) a rolling ball slows (b) pedalling a cycle (c) brakes stop a bicycle (d) a river flows downhill
11. 11.Which of these is caused by friction? (a) a magnet picks up pins (b) an apple falls down (c) shoes grip the floor (d) rain falls to the ground
12. 12.💪 In which unit do we measure force? (a) second (s) (b) litre (L) (c) metre (m) (d) newton (N)
13. 13.💪 Which can a force NOT do? (a) stop it moving (b) change its colour (c) start it moving (d) change its shape
14. 14.💪 In a tug of war, one team pulls right with 50 N and the other pulls left with 40 N. What is the size of the net force, in newtons?
15. 15.True or false: pushing a trolley is a pull. (a) False (b) True
16. 16.Which of these is caused by muscular force? (a) a fridge magnet sticks (b) a magnet picks up pins (c) squeezing a lemon (d) a river flows downhill
17. 17.True or false: drawing up a well bucket is a push. (a) False (b) True
18. 18.💪 Which force is at work: squeezing a lemon? (a) gravity (b) magnetic force (c) friction (d) muscular force
19. 19.💪 Which force is at work: a river flows downhill? (a) gravity (b) magnetic force (c) muscular force (d) friction
20. 20.💪 A cart is pulled to the right with 40 N and to the left with 40 N. Which way does the net force act? (a) to the right (b) to the left (c) no net force
21. 21.💪 Two equal forces push on a box from opposite sides. They are … (a) balanced (b) doubled (c) gravity (d) unbalanced
22. 22.💪 A bag has a mass of 55 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
23. 23.💪 A box weighs 360 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
24. 24.💪 Is pushing a swing a push or a pull? (a) a push (b) a pull
25. 25.Which of these is caused by magnetic force? (a) a thrown ball comes down (b) lifting a school bag (c) squeezing a lemon (d) a magnet picks up pins
26. 26.💪 Two children push a box to the right, one with 75 N and the other with 55 N. What is the net (total) force on the box, in newtons?
27. 27.💪 A cart is pulled to the right with 35 N and to the left with 50 N. Which way does the net force act? (a) to the right (b) to the left (c) no net force
28. 28.💪 Which force is at work: rubbing hands warms them? (a) gravity (b) muscular force (c) magnetic force (d) friction
29. 29.💪 A box weighs 430 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
30. 30.True or false: plucking a mango is a push. (a) True (b) False
31. 31.💪 Is kicking a football a push or a pull? (a) a push (b) a pull
32. 32.True or false: kicking a football is a pull. (a) False (b) True
33. 33.💪 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) no net force (b) to the right (c) to the left
34. 34.💪 A cart is pulled to the right with 100 N and to the left with 115 N. Which way does the net force act? (a) to the right (b) no net force (c) to the left
35. 35.💪 Which force is at work: a magnet picks up pins? (a) magnetic force (b) friction (c) muscular force (d) gravity
36. 36.Which of these is caused by friction? (a) a river flows downhill (b) a rolling ball slows (c) a compass needle turns (d) squeezing a lemon
37. 37.True or false: pressing a doorbell is a pull. (a) True (b) False
38. 38.💪 A box weighs 340 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
39. 39.💪 A box weighs 470 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
40. 40.True or false: kicking a football is a push. (a) False (b) True

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