A block rests on a horizontal surface with coefficients of friction and

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

Problem

2.0\,\text{kg}

block rests on a horizontal surface with coefficients of friction

\mu_s=0.40

and

\mu_k=0.30

. A horizontal force of

6.0\,\text N

is applied to the block. What is the magnitude of the friction force acting on the block at this instant? (a)

5.9\,\text N

(b)

7.8\,\text N

(c)

6.0\,\text N

(d)

4.0\,\text N