Question

when is an object said to be in free fall? what is meant by acceleration due to gravity? derive an expression for acceleration for an object falling free.

Answer 1

Hey buddy ,

An object can be said to be under freefall when it is dropped from a particular height.

#conditions

U=0m/s

a=-10m/s^2

S=h m

Under normal circumstances, a body falling down can have a maximum acceleration of aproximately 10m/s^2 and this acceleration is in the downward direction which is provided by gravity.

When a body is under freefall,

From s=ut+1/2at^2,

U=0

T and s will be given

So we have

A=2s/t^2

But anyways acceleration under freefall is always 10m/s^2

We don not need this expression to solve sums.

Hope it helps!!!

Click the thanks!!

Answer 2

Answer:

whenever objects fall towards the earth under the gravitational force alone , we say that the objects are in free fall .