Physics

Problem

A hydraulic press is required to lift a car of mass

1500\,\text{kg}

. A mechanic can exert a maximum force of

300\,\text{N}

on a small circular piston of radius

1.0\,\text{cm}

. The minimum radius of the larger piston needed to lift the car is closest to a)

10\,\text{cm}

7\,\text{cm}

14\,\text{cm}

5\,\text{cm}