A trolley wire weighs 1 kg per metre length. The ends of the wire are – McqOptions

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1.	A trolley wire weighs 1 kg per metre length. The ends of the wire are attached to two poles 20 m apart. If the horizontal tension is 1000 kg, the central dip of the cable is
A.	2 cm
B.	3 cm
C.	4 cm
D.	5 cm
Answer» E.

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