Laws Of Motion Question 82
Question: Which of the following sets of concurrent forces may be in equilibrium [KCET 2003]
Options:
A) $ F _{1}=3N,F _{2}=5N,F _{3}=9N $
B) $ F _{1}=3N,F _{2}=5N,F _{3}=1N $
C) $ F _{1}=3N,F _{2}=5N,F _{3}=15N $
D) $ F _{1}=3N,F _{2}=5N,F _{3}=6N $
Show Answer
Answer:
Correct Answer: D
Solution:
Range of resultant of $ F _{1} $
and $ F _{2} $ varies between $ ( 3+5 )=8N $ and $ (5-3)=2N $ .
It means for some value of angle $ (\theta ) $ ,
resultant 6 can be obtained.
So, the resultant of 3N, 5N and 6N may be zero and the forces may be in equilibrium.
