A 1-kg of wood is pressed against a vertical wall (µs= 0.25) by a force inclined 40º upward with respect to the vertical axis.

Question

A 1-kg of wood is pressed against a vertical wall (µs= 0.25) by a force inclined 40º upward with respect to the vertical axis. Determine the maximum force which can start the motion of the block.

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General Physics PRemastered 2 years 1 Answer 1127 views 0

Answer ( 1 )

  1. F =

    (0.25)(9.8 cos40)+(9.8 sin30) / cos(4) – 0.25(sin30)=
     
    7. 77 N

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