Question

what type of motion uniform or non-uniform motion,is exhibited by a free falling body?give reason for your answer ​

Answer 1

Answer: Non - Uniform motion

Explanation: It is non uniform because the speed of a freely falling body keeps on increasing till it reaches the earth's surface.

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Answer 2

$\Large{ \boxed{ \bold{ \purple{Non - uniform \: motion}}}}$

✒ Free falling body exhibit a non-uniform motion because non-uniform motion means the type of motion in which the velocity changes and hence it produces acceleration. It is also known as accelerated/decelerated motion. Here, the acceleration is constant.

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✒ Free falling body means all the objects dropped near the earth Earth's surface fall with the same constant acceleration under the influence of Earth's gravity.

✒ The constant acceleration of a free falling body is also known as Acceleration due to gravity. It is the acceleration of an object that results from the influence of Earth's gravity.

✒ Acclearation due to gravity is denoted by:

$\Large{ \boxed{ \rm{g \:/\: a = \frac{GM}{ {r}^{2} } }}}$

✒ The acceleration due to gravity g for any planet is:

• directly proportional to mass of any planet.
• inversely proportional to the square of the radius of the planet

⚠️ It does not depends upon the mass of the object. Hence, neglecting air resistance, a body of whether heavy or light object falls on the ground at the same time.

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