Use the component form of newton's second law to write an expression for the x component of the net force, σfx
Draw a free body diagram to show which forces act in the x and y directions. The x component equation is σfx = 0. The σfx being all the forces acting in the x direction.
Acceleration (gaining speed) happens whenever a force acts on a mass, according to Newton's Second Law of Motion (object), and the further calculation can be defined as follows:
\(\sum F_{x} = - F_{k} + F_{p,x} = F_{net,x}\\\\-F_{k} + F_{p} \cos \theta = m a\)
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