A block of mass is kept at rest on a horizontal floor

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

Problem

A block of mass

4\,\text{kg}

is kept at rest on a horizontal floor. Take

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

. Calculate the magnitude of the normal reaction exerted by the floor on the block.