32. the lagrangian for a mechanical system is given as c = a( - ba where a and b are positive constants. the energy of this system is a. always zero b. always p

32. The Lagrangian for a mechanical system is given as C = A( - Ba where A and B are positive constants. The energy of this system is A. always zero B. always positive C. always negative D. need not be positive always at otabla 12 17 4Co 208 Phb