A 1,954-kg car is moving up a road with a slope (grade) of 39% while slowing...

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Physics

A 1,954-kg car is moving up a road with a slope (grade) of 39%while slowing down at a rate of 3.4 m/s^2. What is the directionand magnitude of the frictional force?(define positive in theforward direction, i.e., up the slope)?
A 2,149-kg car is moving up a road with a slope (grade) of 10%while slowing down at a rate of 3.8 m/s^2. What is the directionand magnitude of the frictional force?
(define positive in the forward direction, i.e., up the slope)?
A 1,712-kg car is moving up a road with a slope (grade) of 24%while speeding up at a rate of 1.4 m/s^2. What is the direction andmagnitude of the frictional force?
(define positive in the forward direction, i.e., up the slope)?

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4.1 Ratings (516 Votes)

1 Slope of the road is 39 thus the angle is theta tan1 039 213o The frictional force on the car is f ma gsin213o 1954 kg34 ms2 98 ms2sin63o 31237 N Magnitude 31237 N Direction See Answer

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