First Equation of Motion


 
 
Concept Explanation
 

First Equation of Motion

FIRST EQUATION OF MOTION:

large v=u+at,  Final velocity = initial velocity + acceleration large times time interval,

By definition,  large acceleration=frac{change;in;velocity}{time;taken}=frac{final;velocity-initial;velocity}{time; taken}

      or        large a=frac{v-u}{t}Rightarrow at=v-u

      or        large v=u+at                          

Sample Questions
(More Questions for each concept available in Login)
Question : 1

If a trolley starts from rest with an acceleration of     large 2m/s^2   ,  the velocity of the body after 4 s would be

Right Option : B
View Explanation
Explanation
Question : 2

An object with a mass 5kg moves at a constant velocity of 5ms^-^1. A constant force then acts for 5 seconds on the object and gives it a speed of  2ms^-^1 in an opposite direction. The acceleration caused by the force is:

Right Option : A
View Explanation
Explanation
Question : 3

A car is travelling with a speed of 36 km/hr. The driver applies the brakes & retard the car uniformlt. The car is stopped in 5 seconds.  The retradation of the car is ________

Right Option : A
View Explanation
Explanation
 
Video Link - Have a look !!!
 
Language - English
 
 
 
Related Videos
Language - English
Language - English

Language - English
Language - English


Students / Parents Reviews [20]