F2, N, F1, f, match them. A) them the component of the fractional force on the block in the direction of motion down plane. B) the component of the gravitational force on the block perpendicular to the direction of motion perpendicular to plane surface C) the frictional fore between the block and the surface of the inclined plane D) the force that the inclined plane exists on block, perpendicular to the surface of contact E) the gravitational force in the block, equal to the weight of the block

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