This physics video provides a basic intro into the normal force which is a force acting perpendicular to a surface. It explains how the normal force can be increased or decreased. Newton's 1st Law of Motion: https://www.youtube.com/watch?v=Fr5EMXZaujc Newton's 2nd Law of Motion: https://www.youtube.com/watch?v=Ee6CHn0MRKE Newton's 3rd Law of Motion: https://www.youtube.com/watch?v=TxhESW6YtOg Mass Vs Weight: https://www.youtube.com/watch?v=LB_WoV071vc Free Body Diagrams: https://www.youtube.com/watch?v=52R61aSWHg0 ____________________________ Normal Force Problems: https://www.youtube.com/watch?v=uyJTwljKSJ4 Elevator Physics Problem: https://www.youtube.com/watch?v=sVVKpRvuNG0 Net Force Physics Problems: https://www.youtube.com/watch?v=tfAJDST3cjo What Is a Normal Force? https://www.youtube.com/watch?v=fRQq4_ry9-Q Static Friction and Kinetic Friction: https://www.youtube.com/watch?v=RIBeeW1DSZg ______________________________ The 4 Fundamental Forces: https://www.youtube.com/watch?v=k1jaDh97Q_g Physics Forces Review: https://www.youtube.com/watch?v=pL2YfC-22Uc Final Exams and Video Playlists: https://www.video-tutor.net/ Full-Length Videos and Worksheets: https://www.patreon.com/MathScienceTutor/collections Physics PDF Worksheets: https://www.video-tutor.net/physics-basic-introduction.html