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hc verma problem 30 (i didn't understand the force on clamp by pulley.because shouldn't it be the resultant of 2T horizontally and t vertically?) :a block is kept on the floor of an elevator at rest.the elevator starts descending with an acceleration of 12m/s^2.find when the block will strike the top of the elevator if its length is "h" metres my approach let it strike the top after t seconds h=(g-2) /2 t 2 and this would give the answer.how to solve it without the concept of relative acceleration?


hc verma problem 30 (i didn't understand the force on clamp by pulley.because shouldn't it be the resultant of 2T horizontally and t vertically?)

:a block is kept on the floor of an elevator at rest.the elevator starts descending with an  acceleration of 12m/s^2.find when the block will strike the top of the elevator if its length is "h" metres

my approach

let it strike the top after t seconds

h=(g-2)/2t2 and this would give the answer.how to solve it without the concept of relative acceleration?


Grade:9

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