An electric motor for example
When large unstable nuclei split because the electric for is greater than the nuclear force is nuclear decay.
The pelvic Thrust
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Gravity is an example of such a Force, as are Magnetism, and Electric Field Forces.
Natural radioactivity.
It depends on the specific circumstances. In general, gravitational force is weaker than electric force because the electric force between charged particles is stronger and can dominate over gravitational force at small distances. However, gravitational force becomes more significant for very large masses or distances.
Nuclear decay
it is called natural radioactivity
An example of electrical energy is large electric power plants generate for electrical energy.
The force is just one aspect of magnetism. For example, there is a magnetic field all around a magnet. Of course they are related, but "magnetism" is a wider term for the entire phenomenon - it may relate to the force, to the magnetic field, or to a few other things.
Yes, the electric force is a conservative force.