Physics

Problem

5\,\text{kg}

block just begins to slide when a horizontal force of

25\,\text{N}

is applied to it on a rough horizontal surface. Taking

g = 10\,\text{m}\,\text{s}^{-2}

, the coefficient of static friction between the block and the surface is a)

5.0

0.25

0.50

2.0