Inclined plane

The body stays on an inclined plane and exerts a compressive force of 70N on it.
Find the angle between the inclined plane and the horizontal if a gravitational force of 100N acts on the body.

Correct result:

A =  44.427 °

Solution:

a=70 N c=100 N  sinA=a:c  A1=arcsin(a/c)=arcsin(70/100)0.7754  A=A1  =A1 180π   =0.77539749661075 180π   =44.427  =44.427=442537"



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