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Question

A block $$A$$ constrained to slide along the incline plane of the wedge $$B$$. Block $$A$$ is attached with a string which passes through three ideal pulleys and connected to the wedge $$B$$. If the wedge is pulled towards right with an acceleration $$'a'$$. The acceleration of the block with respect to wedge is
1588498_b4e522b1806445b3a48b6d0b1f8c9bb3.png


A
2a
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B
1.5a
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C
a
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D
Zero
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Solution

The correct option is C $$a$$
Acceleration of block A= a
$$=-a \cos \theta \hat{i}+a \sin \theta j+a \hat{i}$$
$$a_{A / B}=-a \cos \theta \hat{i}+a \sin \theta \hat{\jmath}$$
$$\left|a_{A / B}\right|=a$$
Correct option is $$(C)$$

Physics

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