A horizontal force on a block starts from zero and increases uniformly at the rate…

PHYSICS · Single correct · CBSE · Physics · Laws of Motion · Laws of Motion

Problem

A horizontal force on a

5\,\text{kg}

block starts from zero and increases uniformly at the rate

5\,\text{N s}^{-1}

(that is,

F=5t

). The coefficient of static friction between the block and the table is

0.5

. After how much time will the block begin to slide? (Take

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

) (a)

2.5\,\text{s}

(b)

4.0\,\text{s}

(c)

5.0\,\text{s}

(d)

10\,\text{s}