Question:
A bar of mass m is placed on a plank of mass m which rests
Last updated: 6/12/2023
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A bar of mass m is placed on a plank of mass m which rests on a smooth horizontal plane The coefficient of friction between the surfaces of bar and plank is k The plank is subjected to a horizontal force F depending on time t as F at where a is a constant The moment of time t at which the plank starts sliding is A akg m m m m g ka B D m m kg a ka m m g m m F