What is the difference between acceleration and retardation?
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Acceleration:
It is defined as rate of change of velocity.
● a=v-u/t
●It is a vector quantity.
●It's SI unit are: m/s^2
ACCELERATION are if two types:
1. POSITIVE acceleration
2.Negative acceleration.
POSITIVE acceleration:
If velocity of an object increases then it is said to have positive acceleration.
Example:
A train leaving a Railway station.
Negative acceleration:
If an object has decreases in its velocity then it is said to have negative acceleration or retardation.
Example: A train entering the railway station.
It is defined as rate of change of velocity.
● a=v-u/t
●It is a vector quantity.
●It's SI unit are: m/s^2
ACCELERATION are if two types:
1. POSITIVE acceleration
2.Negative acceleration.
POSITIVE acceleration:
If velocity of an object increases then it is said to have positive acceleration.
Example:
A train leaving a Railway station.
Negative acceleration:
If an object has decreases in its velocity then it is said to have negative acceleration or retardation.
Example: A train entering the railway station.
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0
Answer:
Acceleration of a body is defined as the rate of change of its velocity with time. ... Retardation means negative acceleration. If the velocity of a body decreases,the acceleration is negative.
Explanation:
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