Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 475 · 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.💪 In which unit do we measure force? (a) newton (N) (b) litre (L) (c) second (s) (d) metre (m)
2. 2.💪 A cart is pulled to the right with 50 N and to the left with 65 N. Which way does the net force act? (a) to the left (b) to the right (c) no net force
3. 3.Which of these is caused by magnetic force? (a) a fridge magnet sticks (b) rubbing hands warms them (c) shoes grip the floor (d) an apple falls down
4. 4.True or false: plucking a mango is a pull. (a) False (b) True
5. 5.💪 A box weighs 410 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
6. 6.💪 Is closing a drawer a push or a pull? (a) a push (b) a pull
7. 7.💪 Which force is at work: brakes stop a bicycle? (a) gravity (b) magnetic force (c) friction (d) muscular force
8. 8.💪 Is plucking a mango a push or a pull? (a) a push (b) a pull
9. 9.💪 A cart is pulled to the right with 25 N and to the left with 10 N. Which way does the net force act? (a) to the left (b) no net force (c) to the right
10. 10.💪 Two equal forces push on a box from opposite sides. They are … (a) doubled (b) balanced (c) gravity (d) unbalanced
11. 11.True or false: pushing a trolley is a pull. (a) False (b) True
12. 12.True or false: pulling a cart is a push. (a) True (b) False
13. 13.Which of these is caused by muscular force? (a) rubbing hands warms them (b) a compass needle turns (c) a river flows downhill (d) squeezing a lemon
14. 14.💪 Which force is at work: a thrown ball comes down? (a) gravity (b) friction (c) muscular force (d) magnetic force
15. 15.💪 Is pulling a cart a push or a pull? (a) a pull (b) a push
16. 16.💪 A box weighs 450 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
17. 17.💪 A bag has a mass of 22 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
18. 18.💪 Which force is at work: lifting a school bag? (a) gravity (b) friction (c) magnetic force (d) muscular force
19. 19.💪 A cart is pulled to the right with 20 N and to the left with 35 N. Which way does the net force act? (a) no net force (b) to the left (c) to the right
20. 20.💪 A force is a … (a) kind of colour (b) unit of time (c) type of sound (d) push or a pull
21. 21.💪 In a tug of war, one team pulls left with 90 N and the other pulls right with 50 N. What is the size of the net force, in newtons?
22. 22.💪 Which force pulls everything towards the Earth? (a) magnetism (b) friction (c) wind (d) gravity
23. 23.💪 A cart is pulled to the right with 60 N and to the left with 50 N. Which way does the net force act? (a) to the left (b) to the right (c) no net force
24. 24.True or false: a tug of war is a pull. (a) True (b) False
25. 25.💪 Two children push a box to the right, one with 15 N and the other with 100 N. What is the net (total) force on the box, in newtons?
26. 26.💪 A bag has a mass of 4 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
27. 27.Which of these is caused by friction? (a) brakes stop a bicycle (b) a fridge magnet sticks (c) pedalling a cycle (d) rain falls to the ground
28. 28.True or false: pushing a trolley is a push. (a) False (b) True
29. 29.Which of these is caused by muscular force? (a) a thrown ball comes down (b) pedalling a cycle (c) a compass needle turns (d) a rolling ball slows
30. 30.True or false: kicking a football is a pull. (a) True (b) False
31. 31.💪 Is opening a drawer a push or a pull? (a) a push (b) a pull
32. 32.💪 A box weighs 340 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
33. 33.Which of these is caused by friction? (a) a thrown ball comes down (b) an apple falls down (c) pedalling a cycle (d) shoes grip the floor
34. 34.Which of these is caused by magnetic force? (a) squeezing a lemon (b) a compass needle turns (c) lifting a school bag (d) an apple falls down
35. 35.💪 Two children push a box to the right, one with 25 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 muscular force? (a) brakes stop a bicycle (b) shoes grip the floor (c) lifting a school bag (d) an apple falls down
37. 37.True or false: opening a drawer is a pull. (a) True (b) False
38. 38.💪 Two children push a box to the right, one with 10 N and the other with 45 N. What is the net (total) force on the box, in newtons?
39. 39.💪 A box weighs 330 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
40. 40.💪 Which force is at work: a river flows downhill? (a) gravity (b) muscular force (c) friction (d) magnetic force

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