First slide

Graphical representation-Motion in 1 d

Question

The area under acceleration time graph gives

Very Easy

A

change in acceleration
B

distance travelled
C

change in velocity
D

force acting

Solution

From equation of uniform acceleration
$V = u + a t$
$\Rightarrow V - u = a t h e n c e p r o d u c t o f a c c e l e l r a t i o n a n d t i m e g i v e s a r e a u n d e r t h e g r a p h f r o m a b o v e e q u a t i o n p r o d u c t o f a c c e l e l r a t i o n a n d t i m e g i v e s c h a n g e i n v e l o c i t y$
area under $a - t$ graph gives change in velocity

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