Question

h the given figure, the lift is moving downward with
e acceleration of g/3 then contact force between lower
block and floor of lift is
​

Answer 1

Let the contact force be N

also the contact force between upper block on lower block is mg

we can write equation for the block as

2mg+mg-N= 2ma

or N = 3mg-2ma=3mg-(2mg)/3 = (7mg)/3

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