Question

If the unit of force is 1N, the length is 10km and time is 10s, what will be the unit of mass?​

Answer 1

d=10km=10000m, t=10s

here acceleraton a=2*d*t^2

so a=2*10000*10=200000m/s^2

F=ma. => m=F/a

m=1/200000 = 5*10^(-6)kg

m=5 micrograms