The turning effect of forces August 17, 2022 Two important key terms that may crop up in the exam are ‘pivot’ or ‘fulcrum’. These are both words for ... Read more
Thermal energy August 17, 2022 When there is a difference in temperature between two objects or an object and its surroundings, a transfer of thermal ... Read more
Total internal reflection August 17, 2022 When light waves move from a denser medium, such as glass, to a less dense medium, such as air, the ... Read more
Transformers August 17, 2022 A transformer is made up of a magnetic iron core with two coils of wire – one at either side ... Read more
Uses of radioactivity August 17, 2022 Monitoring the thickness of materials Industries which use and produce materials such as paper and plastics need to be able ... Read more
Vectors August 17, 2022 People use vectors in physics mostly, and they give a relationship between two different directions. A vector can be thought ... Read more
Velocity-time graphs August 17, 2022 Velocity-time graphs will give us a value for velocity in relation to time. These can easily be used to find ... Read more
Work and power August 17, 2022 What is Work? When a force is applied to an object, the object moves. Energy is transferred from the source ... Read more