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23 Nov 2019
A wrecking ball (weight = 4800 N) issupported by a boom, whichmay be assumed to be uniform and has aweight of 3200 N. As thedrawing shows, asupport cable runs from the top of the boom to thetractor. Theangle between the support cable and the horizontal is32°, andthe angle between the boom and the horizontal is 48°. (a) Find the tension in the support cable.
?N
(b) Find the magnitude of the force exerted on the lower end oftheboom by the hinge at point P.
? N
A wrecking ball (weight = 4800 N) issupported by a boom, whichmay be assumed to be uniform and has aweight of 3200 N. As thedrawing shows, asupport cable runs from the top of the boom to thetractor. Theangle between the support cable and the horizontal is32°, andthe angle between the boom and the horizontal is 48°.
(a) Find the tension in the support cable.
?N
(b) Find the magnitude of the force exerted on the lower end oftheboom by the hinge at point P.
? N
?N
(b) Find the magnitude of the force exerted on the lower end oftheboom by the hinge at point P.
? N
