Physics

Problem

A square metal foot of side

10\,\text{cm}

presses vertically on the ground with a pressure of

1.5 \times 10^{5}\,\text{Pa}

. Determine the magnitude of the force exerted on the ground (express your answer in kilonewtons). a)

0.15\,\text{kN}

15\,\text{kN}

1.5\,\text{kN}

0.015\,\text{kN}