A crate, of mass 15 kg, is placed on the floor of a lift. Calculate, in newtons, the magnitude of thereaction of the floor on the crate, when the lift is descending with a retardation of 2ms–2,



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Posted on (Answer #1)

Please refer the attached image.

We can use the Newton’s law motion here,




 ` R =177.15N`

So the reaction on crate from the flow is 177.15N

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