OCR B Explaining Motion | GCSE Physics Online

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OCR B Explaining Motion

This is a large and important area of your GCSE physics. It explains how the world that we can see around us works.

Choose your topic:

Newton's Third Law - Pairs of forces acting on different objects

Scalars and Vectors [FREE] - These quantities both have a size, but vectors also have a direction

Forces [FREE] - Something that acts on an object due to its interaction with another object

Distance [FREE] - How far something moves, and how this is related to displacement

Speed [FREE] - Mph, km/h or in physics m/s. How quickly an object is moving

Velocity - The speed in a given direction

Acceleration - How quickly an objects velocity is changing

Motion Graphs - Distance-time and velocity-time graphs

v squared - u squared - A special equation used for uniform motion

Resultant Force [FREE] - This is the overall force that acts on an object

Free Body Diagrams - These allow us to clearly see all the forces acting on an object

Momentum - An introduction to momentum for higher tier students

More Momentum - More advanced calculations involving conservation of momentum

Newton's First and Second Laws - The forces that act on one object

Motion in a Circle - Constant speed but changing velocity

Moments - The turning effect of a force

Gears - These transmit the rotational effect of a force

Stopping Distances - The factors affecting vehicles slowing down

Work Done - Work is done when a force causes an object to move a distance

Stores and Transfers [FREE] - Energy can be stored in many ways

Stores and Transfers: Examples [FREE] - Descriptions of the changes involved transferred

Kinetic Energy [FREE] - How to calculate the energy stored in moving objects

Gravitational Potential Energy [FREE] - When an object moves up or down

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