Laws of MotionHard
Question
A block is dragged on smooth plane with the help of a rope which moves with velocity v. The horizontal velocity of the block is :


Options
A.v
B.
C.v sin θ
D.
Solution

The length of string AB is constant.
⇒ speed A and B along the string are same u sinθ = V
u sin θ = V u =
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