a mass z is held on an incline plane with mass P. when the the masses are released, both objects begin to move and accelerate. find accell of the incline plane
GIVEN: z,P,angle A, surfaces are frictionless
solve in terms of these variables.
The Attempt at a Solution
i chose my positive x direction along the ground surface below the incline plane, toward the direction of its motion.
so first i solved for the small mass on top the normal force, which is the force which applied onto the incline plane by the small mass.
fnety=0=FNcosA - zg
now when i do the FBD of the incline plane the forces acting on it, are the normal (FN) which gives it an unbalanced force in the +X direction.
so i get the expression
subbing in the FN,i get
is this correct? if not can you tell me where i am going wrong.