Question

A 1,800 kg car is parked on a road that has an elevation angle of 7°. Suppose the coefficient of static friction of the kinds of rubber and asphalt involved is 0.65. Which is approximately the force of static friction between the tires and the road?
Question options:

2,200 N

9,300 N

11,350 N

18,000 N

I got A, but I was told I was wrong! :(

Answer 1

11,350 N. i got the same answer at first and then my teacher helped me.

Answer 2

Can you please explain??

Answer 3

Does anyone know how the answer is 11,350??????????

Answer 4

The answer is actually 2,200. I think the test has been updated, but that's definitely correct.