Create the free-body diagram for the scenario below.

  • #1
6
2

Homework Statement


A Mercedes-Benz 300SL (m = 1700 kg) is parked on a road that rises 15 degrees above the horizontal. What are the magnitudes of (a) the normal force and (b) the static frictional force that the ground exerts on the tires? Important: Assume that the road is higher up to the right and lower down to the left.
Create the free-body diagram. Please use the blue vector to specify forces.

Homework Equations


NA

The Attempt at a Solution


upload_2018-10-3_14-30-6.png

Right now I'm currently stuck with the vector highlighted in red. I just don't understand if it the angle that it is in or the length that is wrong.
 

Attachments

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Answers and Replies

  • #2
TSny
Homework Helper
Gold Member
13,030
3,371
The diagram appears to have two forces that are labeled "mg" (one red and the other blue). What type of force does "mg" represent? How many such forces act on the car?
 
  • #3
Chandra Prayaga
Science Advisor
650
149
I am not able to enlarge your diagram to see things clearly. You seem to have drawn four vectors. Please list them and describe them along with statements of the direction of each.
 
  • #4
6
2
I added an extra vector. I was mistakenly adding the mg sin and mg cos
 

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