Mass & Forces

Welcome to the GCSE Physics Ninja Mass & Forces course.

These video lessons are based on question-and-answer flashcards. You can either make your own or purchase the printable flashcards from the shop.

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Mass & Forces Flashcards and Tutorials
Mass & WeightAF AH ATF ATH CC CS E1 E2 OAF OAH OBF OBH EXT
1. Mass vs. weightAF AH ATF ATH CC CS E1 E2 OAF OAH OBF OBH
2. WeightAF AH ATF ATH CC CS E1 E2 OAF OAH OBF OBH
3. Weight equationAF AH ATF ATH CC CS E1 E2 OAF OAH OBF OBH
4. Weight calculationAF AH ATF ATH CC CS E1 E2 OAF OAH OBF OBH
Forces & Newton's LawsAF AH ATF ATH CC CS E1 E2 OAF OAH OBF OBH EXT
5. Three effects of forcesAF AH ATF ATH CC CS E1 E2 OAF OAH OBF OBH
6. Forces are vectorsAF AH ATF ATH CC CS E1 E2 OAF OAH OBF OBH
7. Newton's first lawAF AH ATF ATH CC CS E1 E2 OAF OAH OBF OBH
8. Resultant force on a scooterAF AH ATF ATH CC CS E1 E2 OAF OAH OBF OBH
9. Resultant force calculationAF AH ATF ATH CC CS E1 E2 OAF OAH OBF OBH
10. Newton's second lawAF AH ATF ATH CS E1 E2 OAF OAH OBF OBH
11. Newton's second law calculationAF AH ATF ATH CS E1 E2 OAF OAH OBF OBH
12. Newton's law of force pairsAF AH ATF ATH E1 E2 OAF OAH OBF OBH
Friction & Falling ObjectsAF AH ATF ATH CC CS E1 E2 OAF OAH OBF OBH EXT
13. FrictionAF AH ATF ATH CC CS E1 E2 OAF OAH OBF OBH
14. Frictional forces in a fluidAF AH ATF ATH CC CS E1 E2 OAF OAH OBF OBH
15. Falling object in a fluidAF AH ATF ATH CS E1 E2 OAF OAH OBF OBH
16. Skydiver force arrowsAF AH ATF ATH CS E1 E2 OAH
17. Skydiver motionAF AH ATF ATH CS E1 E2 OAH
18. Parachute force & motionAF AH ATF ATH CS E1 E2 OAH
19. A mouse and the Empire State buildingAF AH ATF ATH CS E1 E2 OAH
Stopping DistanceAF AH ATF ATH CC CS E1 E2 OAF OAH OBF OBH EXT
20. BrakingAF AH ATF ATH E1 E2 OAF OAH OBF OBH
21. Stopping distanceAF AH ATF ATH E1 E2 OAF OAH OBF OBH
22. Thinking distanceAF AH ATF ATH E1 E2 OAF OAH OBF OBH
23. Braking distanceAF AH ATF ATH E1 E2 OAF OAH OBF OBH
SpringsAF AH ATF ATH CC CS E1 E2 OAF OAH OBF OBH EXT
24. Force - extension experimentAF AH ATF ATH CC CS E1 E2 OAF OAH OBF OBH
25. Different force - extension graphsAF AH ATF ATH CC CS E1 E2 OAF OAH OBF OBH
26. Spring equationAF AH ATF ATH CS OAF OAH OBF OBH
27. Spring constant calculationAF AH ATF ATH CS OAF OAH OBF OBH
28. Describing a force-extension graphAF AH ATF ATH CS OAF OAH OBF OBH
29. Elastic and plastic deformationAF AH ATF ATH OAF OAH OBF OBH
Centre of Mass & Turning ForcesAF AH ATF ATH CC CS E1 E2 OAF OAH OBF OBH EXT
30. Centre of massAF AH ATF ATH CC CS E1 E2
31. Finding the centre of massAF AH ATF ATH CC CS E1 E2
32. Symmetric objects centre of massAF AH ATF ATH CC CS E1 E2
33. The turning effect of a forceAF AH CC CS E2 OAF OAH OBF OBH
34. Moment equationAF AH CC CS E2 OAF OAH OBF OBH
35. Moment calculationAF AH CC CS E2 OAF OAH OBF OBH
36. Principle of momentsAF AH CC CS E2 OAF OAH OBF OBH
37. Principle of moments calculation 1AF AH CC CS E2 OAF OAH OBF OBH
38. Principle of moments calculation 2AF AH CC CS E2 OAF OAH OBF OBH
39. LeversAF AH CC CS E2 OAF OAH OBF OBH
40. Two conditions needed for equilibriumAF AH CC CS E2 OAF OAH OBF OBH
41. Why objects can fall overCC CS EXT
42. Stability of different objectsCC CS EXT
43. Self-righting toyCC CS EXT
MomentumAF AH ATF ATH CC CS E1 E2 OAF OAH OBF OBH EXT
44. MomentumAH ATH CS E2 OAH OBH EXT
45. Momentum calculationAH ATH CS E2 OAH OBH EXT
46. Momentum in an explosion or collisionAH ATH CS E2 OAH OBH EXT
47. Ice hockey collisionAH ATH CS E2 OAH OBH EXT
48. Crumple zonesAH CS E2 OAH OBH EXT
49. Impulse equationsAH CS E2 OAH OBH EXT
50. Force of a cricket ballAH CS E2 OAH OBH EXT
PressureAF AH ATF ATH CC CS E1 E2 OAF OAH OBF OBH EXT
51. PressureAF AH CC CS E1 E2 OAF OAH OBF OBH
52. Pressure in liquidsAF AH CC CS E1 E2 OAF OAH OBF OBH
53. Pressure equationAF AH CC CS E1 E2 OAF OAH OBF OBH
54. Pressure calculationAF AH CC CS E1 E2 OAF OAH OBF OBH
55. Pressure vs depth in a liquidAH CC CS E2 OAF OAH OBH
56. Pressure beneath a liquidAH CS E2 OAF OAH OBH
57. Submarine pressure calculationAH CS E2 OAF OAH OBH
58. Gas pressureAH CS E2 OAH OBH EXT
59. The barometer & atmospheric pressureAH OAH OBH EXT
60. Liquid in a U-tubeEXT
61. Hydraulic machinesOAF OAH EXT

What will I learn in this course?

When you have completed this course, you will be able to…

  • Understand the difference between mass and weight.
  • Explain the effects of forces.
  • Calculate the resultant force on an object.
  • Use Newton’s laws to analyse the motion of an object subjected to forces.
  • Explain the effect of friction forces on falling bodies.
  • Understand the factors affecting stopping distance.
  • Interpret force – extension graphs for different materials
  • Calculate extension of a spring using Hooke’s Law.
  • Explain the difference between elastic and plastic deformation.
  • Understand the term centre of mass and use it to determine the stability of objects.
  • Explain and calculate the moment due to a force.
  • Become familiar with the idea of momentum and its conservation.
  • Be able to use impulse to calculate forces and time of impact.
  • Explain how a force can cause pressure and perform calculations.
  • Calculate pressure vs. depth in liquids.
  • Use the idea of particles to describe how a gas exerts a pressure on the walls of a container.
  • Understand how machines that use pressure can be force multipliers.