Question

A body falls freely what is constant

Answer 1

Answer:

Acceleration

Explanation:

In a freely falling body , acceleration is constant if we neglect drag. The acceleration is constant as the rate of gravity that is 9.8 m² per second. The acceleration due to gravity is always constant in downward direction. But the downward magnitude of velocity may change

Note : In a freely falling body only acceleration is constant.

What is acceleration ?

Acceleration is the change in velocity with respect to time. Gravitational is the free fall acceleration on a body without any drag.

What is uniform acceleration ?

If. body accelerates equal distance in equal intervals of time , in same direction then it is called uniform acceleration.

What is Non-Uniform acceleration ?

If a body accelerates unequal distance in unequal interval of time it said to non uniform acceleration.

$\huge{ \sf\implies \: acceleration = \dfrac{ \triangle \: velocity}{time} }$

$\huge{ \sf\implies \: avg. \: acc= \frac{ total \: change \: in \: acc}{time \: elapsed} }$

As a whole :

Uniform acceleration is equal changes in velocity , in equal interval of time.

Answer 2

Acceleration (due to gravity)

It is known as free fall when a body comes freely due to gravitational attraction. It approximately is same everywhere in earth and every body (in free fall) has an acceleration of 9.8 m/s². Or, the body is in uniform Acceleration.