other SI units Expression in terms of SI base units; plane angle: radian (a) rad - m·m-1 = 1 (b) solid angle: steradian (a) sr (c) - m 2 ·m-2 = 1 (b) frequency: hertz: Hz - s-1: force: newton: N - m·kg·s-2: pressure, stress: pascal: Pa: N/m 2: m-1 ·kg·s-2: energy, work, quantity of heat : joule: J: N·m: m 2 ·kg·s-2: power, radiant flux jxIy1X.

what is the si unit for force