A heavy piece of machinery is raised by sliding it a distance d = 12.5 m along a plank oriented at angle θ = 2?
A heavy piece of machinery is raised by sliding it a distance d = 12.5 m along a plank oriented at angle θ = 20.0° to the horizontal, as shown below.
(a) How high above its original position is it raised?
m
(b) How far is it moved horizontally?
m
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The trigonometry of a right-angled triangle ..
(a) Height = 12.50.sin20 .. .. .. ►h = 4.28 m
(b) Horiz.distance (triangle base) = 12.50.cos20 .. .. ►11.75 m