- #1

hachi_roku

- 61

- 0

## Homework Statement

what is the maximum speed with which a 1500kg car can make a left turn around a curve of radius 50m on a level road without sliding?

## Homework Equations

## The Attempt at a Solution

i already got the answer...but my question is:

f_s points left and the equation sigmaF_r =

f_s = mv^2/r

why isn't it negative if the force in the free body is pointing left? is it because the car is turning left?