Introduction to Forces [IB Physics SL/HL]

This video provides an overview of the topic of Forces from Theme A of the IB Physics SL & HL courses. Firstly, forces are defined and their vector nature is explained. The survey of different types of forces begins with the normal force being discussed in various scenarios. The force of friction is then introduced, along with the formulae for the forces of static and kinetic friction in terms of the coefficients of friction and the normal force. The force of tension and Hooke's law are then discussed, followed by a quick survey of drag force and buoyant force. The formula for gravitational force is then explained.

0:00 Introduction
0:39 Force vectors
1:32 Contact forces
1:58 Normal force
3:24 Force of friction
5:02 Tension and elastic forces
6:10 Buoyancy and drag forces
7:07 Gravitational force
8:00 Summary

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