Question

Let z²=Fr/m, where m is mass and F is force and r is distance. The dimension of z is

Answer 1

z =(Fr/m)^1/2

F = ma

= m1 l1 t-2

z = (m1 l1 t-2 × L1 m-1) ^ 1/2

= m1/2 l1/2 t-1 L1/2 m-1/2