A 5 kg block rests on a horizontal surface with coefficient of static friction

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

Problem

\mu_s = 0.40

. Starting at

t = 0

, a horizontal force increases uniformly from

0\,\text{N}

60\,\text{N}

4.0\,\text{s}

. At what time, if any, does the block first start to slide? Give your answer to two significant figures.