A block is at rest on a rough horizontal table for which and

PHYSICS · Subjective · CBSE · Physics · Laws of Motion · Laws of Motion

Problem

1\,\text{kg}

block is at rest on a rough horizontal table for which

\mu_s = 0.25

and

\mu_k = 0.20

. A horizontal force that varies with time as

F = 5t\,\text{N}

(with

t

in seconds) is applied. Find the time after which the block begins to slide.