A force defined by F= t^2+ t acts on a particle at a given time t . The factor which is dimensionless, if and are constants, is:

Step-by-step solution

From principle of homogeneity aligned & [F]= [ t^2 ]=[ t] & [ ]= [F] [t^2 ] and [ ]= [F] [t] & [ ][t]=[ ] & t = dimensionless aligned