For the bending of a beam, the bending moment M is given by the equation M=EI/R. If E, the tensile modulus, has the unit N/m 2 ; I, the second moment of area, the unit m 4 ; and R, the radius of a...

For the bending of a beam, the bending moment M is given by the equation M=EI/R. If E, the tensile modulus, has the unit N/m²; I, the second moment of area, the unit m⁴
; and R, the radius of a bent beam, the unit of m, what must the unit of M be?