Question

A car weighing 1500N rest on a 30 degree hill. Find the component of the weight vector a. At the right angle of the hill b. Parallel to the hill c. If the cars brakes released, which component is responsible for the car’s downward motion?

Answer 1

I have answered all three ques. In above figure.
Now if car breaks released mg sinQ will be responsible for its downward motion.

Hope you get your answer.