Mass & Forces

Welcome to the GCSE Physics Ninja Mass & Forces course. These video lessons are based on question-and-answer flashcards. Become a member to download the printable flashcards, filter flashcards by your GCSE course, and enjoy the video tutorials ad-free!

Mass & Forces Flashcards and Tutorials
Mass & Weight
1. Mass vs. weight
2. Weight
3. Weight equation
4. Weight calculation
Forces & Newton's Laws
5. Three effects of forces
6. Forces are vectors
7. Newton's first law
8. Resultant force on a scooter
9. Resultant force calculation
10. Newton's second law
11. Newton's second law calculation
12. Newton's law of force pairs
Friction & Falling Objects
13. Friction
14. Frictional forces in a fluid
15. Falling object in a fluid
16. Skydiver force arrows
17. Skydiver motion
18. Parachute force & motion
19. A mouse and the Empire State building
Stopping Distance
20. Braking
21. Stopping distance
22. Thinking distance
23. Braking distance
Springs
24. Force - extension experiment
25. Different force - extension graphs
26. Spring equation
27. Spring constant calculation
28. Describing a force-extension graph
29. Elastic and plastic deformation
Centre of Mass & Turning Forces
30. Centre of mass
31. Finding the centre of mass
32. Symmetric objects centre of mass
33. The turning effect of a force
34. Moment equation
35. Moment calculation
36. Principle of moments
37. Principle of moments calculation 1
38. Principle of moments calculation 2
39. Levers
40. Two conditions needed for equilibrium
41. Why objects can fall over
42. Stability of different objects
43. Self-righting toy
Momentum
44. Momentum
45. Momentum calculation
46. Momentum in an explosion or collision
47. Ice hockey collision
48. Crumple zones
49. Impulse equations
50. Force of a cricket ball
Pressure
51. Pressure
52. Pressure in liquids
53. Pressure equation
54. Pressure calculation
55. Pressure vs depth in a liquid
56. Pressure beneath a liquid
57. Submarine pressure calculation
58. Gas pressure
59. The barometer & atmospheric pressure
60. Liquid in a U-tube
61. Hydraulic machines
Mass & Forces was last modified: November 7th, 2025 by Olly Wedgwood