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

A
2a
B
1.5a
C
a
D
Zero

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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