A light string pulls a block of mass lying on a rough horizontal table
PHYSICS · Multi-part · CBSE · Physics · Laws of Motion · Laws of Motion
Problem
A light string pulls a block of mass m lying on a rough horizontal table. The string makes an angle θ above the horizontal.
(i) Draw a free-body diagram of the block, clearly labeling all the forces acting on it.
(ii) Derive an expression for the minimum tension Tmin in terms of m, g, μs and θ required to just start moving the block.