Question

if and b be two vectors of 10 units each . If they are inclined to eah other at X axis at angle 30 and 60 respectively , find the resiultant

Answer 1

Here is your answer buddy. Hope this helps you!!

Answer 2

R=(a²+b²+2ab cos ( 60°+30°))½= R=(10²+10²)½=10√2 units becoz cos 90°= 0 direction is tanβ=(B/A)=1 β= 45° along along x axis. hope it works