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Grade: 11

                        

Two persons holding rope of negligible wt. at its horizontal ends . A 15 kg weight is attached to mid of rape which no longer remain horizontal. Minium tension required to straighten rope is-

4 years ago

Answers : (1)

Vikas TU
12283 Points
							
At the mid of the rope the weight will be makingof 45 degree agle with x and y axis both.
Therefore components the Tension force as Tcos45 and Tsin45 in x and y direcn. respectively.
thus balnce it with 150 N = 2Tsin45
T = 75root2. N.
4 years ago
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