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⭐️ Check out our website https://www.cognito.org/ ⭐️ *WHAT'S COVERED* 1. The definition and properties of a force. * A force is a push or pull that acts on an object. * Forces are measured in Newtons (N). * Force is a vector quantity, meaning it has both magnitude and direction. 2. The difference between contact and non-contact forces. * Contact forces occur when objects are physically touching. * Non-contact forces can act on an object from a distance. 3. Examples of common contact forces. * Friction. * Air resistance. * Tension. * Normal contact force (also known as reaction force). 4. Examples of non-contact forces. * Gravitational force. * Magnetic force. * Electrostatic force. * How non-contact forces create fields of influence. *** EXAM BOARD SPECIFIC INFO *** AQA - Everything is relevant to your course IGCSE Edexcel - Not tested directly, but it is helpful to understand the concepts Edexcel - Everything is relevant to your course OCR 21st Century - Everything is relevant to your course OCR Gateway - Everything is relevant to your course *** CHAPTERS *** 0:00 What is a Force? 1:08 Contact vs Non-Contact Forces 1:29 Contact Forces Explained 2:33 Non-Contact Forces Explained *** PLAYLISTS *** https://youtube.com/playlist?list=PLidqqIGKox7VzYfPIVt8T09xOLNcolCe4&si=8JmDajxjtba6rdc3 https://youtube.com/playlist?list=PLidqqIGKox7UZ3mWhbHv2aA_1vnbsfRPq&si=q3hEKdA4v7kbfwMe https://youtube.com/playlist?list=PLidqqIGKox7XPh1QacLRiKto_UlnRIEVh&si=orIUwL3o2jOoiYjT https://youtube.com/playlist?list=PLidqqIGKox7X5UFT-expKIuR-i-BN3Q1g&si=DcihOwUkd9oWbbdp https://youtube.com/playlist?list=PLidqqIGKox7WeOKVGHxcd69kKqtwrKl8W&si=Y8MsO-FK948jnxpS https://youtube.com/playlist?list=PLidqqIGKox7UVC-8WC9djoeBzwxPeXph7&si=-7i5Iq7yOeJrhtu6 https://youtube.com/playlist?list=PLidqqIGKox7VKJD2WxRhoKaI6JGLVean8&si=NH_Q1ujhVgACM2FU #GCSE #Physics #study #revision #school #exam #AQA #OCR #Edexcel #IGCSE
