Question 1054537
You're mixing things up and confusing yourself.
Mass is in SI units kilograms (kg) and is a fundamental dimensional unit of M.
Length, distance, radius are measured in SI units of meters (m) and have a fundamental dimensional unit of L. 
Velocity is a derived unit using length and time and has units of meters/sec and dimensional units of L/T.
Acceleration is a derived unit using length and time and has units of meters/sec^2 and dimensional units of L/T^2.
Force is a derived unit using mass and acceleration (F=ma) and has SI units of Newtons (N) and dimensional units of ML/T^2.
Torque is a derived unit using force and distance (T=Fd) and has SI units of Newton meters (N-m) and dimensional units of ML^2/T^2.
Inertia is a derived unit using mass and distance and has SI units of kg-m^2 and dimensional units of ML^2.