Question:
Lower end of a uniform inextensible rope of mass 2 kg and
Last updated: 6/10/2023
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Lower end of a uniform inextensible rope of mass 2 kg and leng attached to a block of mass 7 5 kg placed on a horizontal floor Coefficient of friction between the block and the floor is 0 5 The upper end of the rope is held 2 m above the lower end so that the tangent at the lower end remains horizontal as shown in the figure In this situation the block stays standstill on the floor Acceleration due to gravity is 10 m s 5 The upper end must be pulled at an angle that is closest to a 60 above the horizontal c 45 above the horizontal b 53 above the horizontal d Insufficient information 2 m