A student wants to reduce the pressure she exerts on the ground by a factor of…

PHYSICS · Single correct · AP · Physics 1: Algebra-based · Fluids · Fluids

Problem

A student wants to reduce the pressure she exerts on the ground by a factor of

3

without changing her weight. By what factor must she change the area of contact of her shoes? (a) Increase the area

\sqrt{3}

times (b) Increase the area

9

times (c) Increase the area

3

times (d) Reduce the area to

\dfrac{1}{3}

times