Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 484 · 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: drawing up a well bucket is a push. (a) False (b) True
2. 2.Which of these is caused by friction? (a) lifting a school bag (b) brakes stop a bicycle (c) a magnet picks up pins (d) rain falls to the ground
3. 3.💪 Is kicking a football a push or a pull? (a) a pull (b) a push
4. 4.True or false: opening a drawer is a push. (a) False (b) True
5. 5.Which of these is caused by gravity? (a) an apple falls down (b) shoes grip the floor (c) lifting a school bag (d) a fridge magnet sticks
6. 6.💪 Which force is at work: rubbing hands warms them? (a) gravity (b) muscular force (c) friction (d) magnetic force
7. 7.💪 In which unit do we measure force? (a) metre (m) (b) second (s) (c) newton (N) (d) litre (L)
8. 8.💪 Which force is at work: a rolling ball slows? (a) gravity (b) magnetic force (c) muscular force (d) friction
9. 9.Which of these is caused by magnetic force? (a) a fridge magnet sticks (b) brakes stop a bicycle (c) rain falls to the ground (d) a rolling ball slows
10. 10.💪 Which force is at work: a river flows downhill? (a) gravity (b) muscular force (c) friction (d) magnetic force
11. 11.💪 Which force is at work: an apple falls down? (a) magnetic force (b) friction (c) muscular force (d) gravity
12. 12.💪 A bag has a mass of 14 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
13. 13.💪 Which can a force NOT do? (a) stop it moving (b) change its colour (c) change its shape (d) start it moving
14. 14.💪 A box weighs 120 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
15. 15.💪 Which force pulls everything towards the Earth? (a) wind (b) magnetism (c) friction (d) gravity
16. 16.💪 Is opening a drawer a push or a pull? (a) a pull (b) a push
17. 17.Which of these is caused by gravity? (a) a thrown ball comes down (b) a compass needle turns (c) lifting a school bag (d) a fridge magnet sticks
18. 18.💪 A bag has a mass of 26 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
19. 19.Which of these is caused by gravity? (a) a fridge magnet sticks (b) a compass needle turns (c) brakes stop a bicycle (d) rain falls to the ground
20. 20.💪 Which force is at work: lifting a school bag? (a) magnetic force (b) muscular force (c) friction (d) gravity
21. 21.💪 A box weighs 260 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
22. 22.💪 Two children push a box to the right, one with 85 N and the other with 10 N. What is the net (total) force on the box, in newtons?
23. 23.Which of these is caused by muscular force? (a) a fridge magnet sticks (b) a thrown ball comes down (c) shoes grip the floor (d) pedalling a cycle
24. 24.💪 A box weighs 550 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
25. 25.💪 In a tug of war, one team pulls left with 15 N and the other pulls right with 10 N. What is the size of the net force, in newtons?
26. 26.💪 Which force is at work: a thrown ball comes down? (a) friction (b) magnetic force (c) gravity (d) muscular force
27. 27.💪 Which force is at work: rain falls to the ground? (a) gravity (b) muscular force (c) magnetic force (d) friction
28. 28.💪 Two equal forces push on a box from opposite sides. They are … (a) doubled (b) balanced (c) unbalanced (d) gravity
29. 29.💪 Which force is at work: squeezing a lemon? (a) friction (b) muscular force (c) gravity (d) magnetic force
30. 30.Which of these is caused by magnetic force? (a) a river flows downhill (b) rubbing hands warms them (c) a compass needle turns (d) pedalling a cycle
31. 31.💪 A box weighs 180 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
32. 32.💪 A box weighs 580 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
33. 33.💪 Which force is at work: pedalling a cycle? (a) muscular force (b) magnetic force (c) friction (d) gravity
34. 34.True or false: pushing a swing is a push. (a) False (b) True
35. 35.True or false: a tug of war is a push. (a) True (b) False
36. 36.💪 Which force is at work: a magnet picks up pins? (a) muscular force (b) magnetic force (c) friction (d) gravity
37. 37.True or false: pushing a trolley is a pull. (a) False (b) True
38. 38.💪 A cart is pulled to the right with 100 N and to the left with 105 N. Which way does the net force act? (a) no net force (b) to the left (c) to the right
39. 39.💪 A box weighs 250 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
40. 40.Which of these is caused by friction? (a) pedalling a cycle (b) lifting a school bag (c) shoes grip the floor (d) squeezing a lemon

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