In Fig. 3-28, a heavy piece of machinery is raised by sliding it a
distance d = 12.5 m along a plank...
In Fig. 3-28, 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. How far is it moved (a) vertically and (b) horizontally?
No comments:
Post a Comment