Use trigonometric functions to determine the components of the weight vector that are directed parallel and perpendicular to the inclined plane.
Determine the parallel and perpendicular components of the force of gravity for a 389-N object on a 28.6-degree incline.
Parallel Component (Fparallel)
Fparallel
N
Perpendicular Component (Fperpendicular)
Fperpendicular
Determine the parallel and perpendicular components of the force of gravity for a 461-N object on a 38.1-degree incline.
Determine the parallel and perpendicular components of the force of gravity for a 18.9-kg object (notice the unit) on a 73.6-degree incline.
A 156-N box is placed on an inclined plane that makes a 31.2° angle with the horizontal.
Calculate the parallel component of the weight vector (Fparallel).
Calculate the perpendicular component of the weight vector (Fperpendicular).