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These questions consists of two statements each printed as Assertion and Reason. While answering these question you are required to choose any one of the following four responses Assertion Block A is resting on one corner of a box as shown in figure. Acceleration of box is (2hati+2 hatj)ms^(-2). Let N_(1) is the normal reaction on block from vertical wall and N_(2) from ground of box. Then (N_(1))/(N_(2))=(1)/(6).(Neglect friction) Reason N_(1)=0, if lift is stationary. |
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Answer» `N_(2)=m(g+a_(y))=12m` `THEREFORE"" (N_(1))/(N_(2))=(1)/(6)` |
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