Question

The force F in figure is just sufficient to hold the 100N block and weightless pulley in equilibrium. There is no appreciable friction. Then:

In the arrangement shown in figure pulley and strings are ideal. End A of string connected to pulley P1 is moved upwards with acceleration while end B of another string shown in figure is moved up with acceleration . Block C of mass 1kg is moving up with acceleration . If block D to which string are connected symmetrically moves such that its orientations remains same then (assuming )
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Answer 1

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