Forces – Notes on forces and solving problems involving forces.
There are a number of forces that are considered when studying forces in physics. They include gravitational, electromagnetic, and nuclear forces.
Gravitational force is a force of attraction that exists between all masses. Gravitational force though weak compared to the other two forces acts over extremely long distances.
Electromagnetic forces are forces between charged particles. Though considerably stronger than gravitational force, these forces act over much shorter distances. Electrical forces exist between stationary charged particles. Magnetic forces are produced by the moving of charged particles
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