A block slides on a horizontal surface with a coefficient of kinetic friction

PHYSICS · Single correct · AP · Physics 1: Algebra-based · Force and Translational Dynamics · Force and Translational Dynamics

Problem

5.0\,\text{kg}

block slides on a horizontal surface with a coefficient of kinetic friction

\mu_k =0.20

. A horizontal force of

20\,\text{N}

acts to the right. Take

g = 9.8\,\text{m\,s}^{-2}

. Determine the block’s acceleration. (a)

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

to the right (b)

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

(c)

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

to the right (d)

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

to the left