What are the fundamental quantities in mechanics?

What are the fundamental quantities in mechanics?
What are the chosen units for the three fundamental quantities in the SI system, what are them in the British system ?
What is the current standard for each of the three fundamental units in the SI system?
Kinetic energy is defined a E= ½ mv2, where m is the mass of the object and v its speed. What are the SI units of energy?
What are the units of energy in the cgs system (a system where the three fundamental units are centime, gram, and second