A block is pulled horizontally by a constant force of on a rough table

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

Problem

4\,\text{kg}

block is pulled horizontally by a constant force of

18\,\text N

on a rough table. The coefficients of friction between the block and the table are

\mu_s = 0.50

and

\mu_k = 0.40

. Take

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

. The acceleration of the block is (a)

0.5\,\text{m\,s}^{-2}

(b)

1.0\,\text{m\,s}^{-2}

(c)

0\,\text{m\,s}^{-2}

(d)

0.05\,\text{m\,s}^{-2}