Question

using dimensional analysis,show that 1newton=10power 5

Answer 1

1 newton=105 dynes

let 1 newton =n2 dynes

n2= [M1L1T-12]/ [M2L2T2-2]

[M1/M2] [L1/L2] [T1/T2]-2

[kg/gm] [m/cm] [s/s]-2

[103gm/gm] [102cm/cm] [s0]

[103] [102]

[105]