Question
Physics Question on laws of motion
The resultant of two forces acting at an angle of 120∘ is 10kg wt and is perpendicular to one of the forces . That force is .......
A
103kgwt
B
203kgwt
C
10kgwt
D
310kgwt
Answer
310kgwt
Explanation
Solution
Here, tan30∘=31 31=10x x=310,kg−wt