Homework Help

A crate, of mass 15 kg, is placed on the floor of a lift. Calculate, in newtons, the...

saj-94's profile pic

Posted via web

dislike 1 like

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,

1 Answer | Add Yours

jeew-m's profile pic

Posted (Answer #1)

dislike 0 like

Please refer the attached image.

We can use the Newton’s law motion here,

`darrF=ma`

`15g-R=15(-2)`

`R=15g+15xx2`

 ` R =177.15N`

So the reaction on crate from the flow is 177.15N

Images:
This image has been Flagged as inappropriate Click to unflag
Image (1 of 1)

Sources:

Join to answer this question

Join a community of thousands of dedicated teachers and students.

Join eNotes