Question

Suppose a person whose mass is m is being held up against the wall with a constant tangential velocity v greater than the minimum necessary. find the magnitude of the frictional force between the person and the wall.

Answer 1

In the magnitud is in good

Answer 2

friction force must be equal to the magnitude of weight of the object

Step-by-step explanation:

When the object is stuck against the wall

then we will have

`F_n = (mv^2)/(r)`

also we know that

`mg = F_f`

so if the block is at rest and not sliding then in vertical direction the force must be balanced

so here we can say

`F_g = F_f`

so friction force must be equal to the magnitude of weight of the object