Basic Maths and Units and DimensionsHard

Question

A uniform solid cylindrical roller of mass ′m′ is being pulled on a horizontal surface with force F parallel to the surface and applied at its centre. If the acceleration of the cylinder is ′a′ and it is rolling without slipping then the value of ′F′ is :

Options

A.ma
B.2 ma
C. ma
D. ma

Solution

   
ma = F - f                 ........(i)
. α = fR
= fR
= f        .......(ii)
Put in equation (i)
ma = F -

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