Need Physics Homework Help: Banked Curve Problem with Friction Force"

[rslamin23]

Homework Statement

A 1300 kg car rounds a curve of radius 70 m banked at an angle of 12°. If the car is traveling at 90 km/h, will a friction force be required?

Homework Equations

i need help with work

The Attempt at a Solution

 

[NBAJam100]

start by drawing a free body diagram of the car on the bank, including the force of friction.

[Edit]- Keep in mind that a=v^2/r which will come in handy for this problem. Also remember that your velocity is in km/h