explain with example 1 uniform acceleration and non uniform acceleration 2 positive,negative & zero acceleration
Answers
Answer:
1:Uniform acceleration:It means that the acceleration is constant, and neither increasing nor decreasing.
2.Non-Uniform means that the acceleration is not uniform. Uniform acceleration is change of equal velocity in equal intervals of time. Non Uniform acceleration is change of non-equal velocity in equal intervals of time.
3.Positive acceleration: If the velocity of an object increases with time, its acceleration is positive.
4. Negative acceleration: If the velocity of an object decreases with time, its acceleration is negative. Negative acceleration is called retardation deceleration.
5.Zero acceleration means that the velocity is constant or is not changing.
This is because no net force is acting on the body or object that has zero acceleration, as the acceleration is proportional to the foce and the mass according to Newton’s second law.
Explanation:
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Answer:
@uniform acceleration:- when a body travel with the same velocity in the given time then the acceleration said to be uniform acceleration.
example :-fall of an object.
@non uniform acceleration :- when a body travel with the different velocity in the given time then the acceleration said to be non uniform.
example :- car travel with non uniform acceleration.
@positive acceleration :- when the speed of an object is increase and their final velocity is greater than initial velocity then acceleration must be positive.
example :- when we start our vehicle we use accelerator to increase the speed of vehicle.
@negative acceleration:- when the speed of an object is decrease and their final velocity is smaller than initial velocity then the acceleration is negative
example :- we apply brake on vehicle if we want to stop vehicle. because of applying brake acceleration become negative.
zero acceleration:- the acceleration in which their initial and final position is same.
example :- object at rest.
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