A 2,006-kg car is moving down a road with a slope (grade) of 37% while speeding

Question

1. A 2,006-kg car is moving down a road with a slope (grade) of 37% while speeding up at a rate of 2 m/s^2. What is the direction and magnitude of the frictional force?
   (define positive in the forward direction, i.e., down the slope)?

A 2,006-kg car is moving down a road with a slope (grade) of 37% while speeding up at a rate of 2 m/s^2. What is the direction and magnitude of the frictional force?
(define positive in the forward direction, i.e., down the slope)? A 2,006-kg car is moving down a road with a slope (grade) of 37% while speeding up at a rate of 2 m/s^2. What is the direction and magnitude of the frictional force?
(define positive in the forward direction, i.e., down the slope)?

Explanation / Answer

tanA = 0.37

A = 20.30 degrees

mgsin20.30 + f = ma

f = - 2006 x (9.8sin20.30 - 2) = -2808.34 N

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