Can someone kindly explain why we use Fn and not Mg to determine x & y component
ID: 1288608 • Letter: C
Question
Can someone kindly explain why we use Fn and not Mg to determine x & y components and also what the Fapplied tells us?
Any advice will be greatly appreciated!
Problem 4.55 A small block of mass m rests on the sloping side of a triangular block of mass M which itself rests on a horizontal table as shown in the figure (Figure 1). Part A Assuming all surfaces are frictionless, determine the magnitude of the force vector F that must be applied to M so that m remains in a fixed position relative to M (that is, m doesn?t move on the incline). [Hint Take x and y axes horizontal and vertical.] Express your answer in terms of the given quantities and appropriate constants.Explanation / Answer
for m
alog the plane
m*g*sintheta = m*a*costheta
a = g*tantheta
F = (M+m)*g*tan theta)