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Thursday, August 16, 2018

                                Equation Of Motion 


- This topic is nothing but there are some equation found out which are related with the motion.
- These motion are none other than the motions which we are doing in our daily life.
- We must see that how these great formulas are found by scientists because by just using of these formula we can find related things in motion.
- In this what i mean if you see a car or a man moving on a road and with help of some given information you can actually find the related things regarding this man or car, regarding things means speed, time etc.

- Now lets start the topic in detail;
- There are mainly two types of motion occure :-
A) Motion in a straight line with constant acceleration
B) Motion occur under the acceleration due to gravity

Now following are the equation of motion :-
Consider these notation regarding the equation
 = Distance (m)
 u = Initial Velocity (m/s)
 v = Final Velocity  (m/s)
 t = Time (sec)
 a= Acceleration (m/s^2)
 g= Acceleration due to gravity (m/s^2)
 h= Height

A) Motion in a straight line with constant acceleration
    1. s = u + at
    2. s = ut +1/2at^2
    3. v^2 = u^2 + 2as

B) Motion occur under the acceleration due to gravity
     1. v = u + gt
     2. h = ut +1/2gt^2
     3. v^2 = u^2 + 2gh

- Value of g= 9.81 m/s^2
- Here as we all know force of attraction is always act in downward direction so we use g
- But if the body or force is act on the upward direction then at this time use '- g' instead of 'g'




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