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Q4. (a) An object O of mass 50 kg is supported by a hinged weightless rod and string
as shown in Figure Q4 (a). Calculate:
(1)
(11)
(iii)
(iv)
the weight of object O;
the moment about the Hinge caused by the object;
the tension T in the string:
the horizontal force acting on the hinge, and
the maximum mass of the object O if the maximum tension which the
string can withstand is 1500 N.
1.73m
Hinge
1.0m
2.0
Figure Q4 (a)
Weightness
rod
0-594

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