The sum of two forces acting at a point is 16 N. If the resultant force is 8 N and its direction is perpendicular to minimum force then the forces are
see full answer
Your Exam Success, Personally Taken Care Of
1:1 expert mentors customize learning to your strength and weaknesses – so you score higher in school , IIT JEE and NEET entrance exams.
An Intiative by Sri Chaitanya
a
6 N and 10 N
b
8 N and 8 N
c
4 N and 12 N
d
2 N and 14 N
answer is A.
(Unlock A.I Detailed Solution for FREE)
Best Courses for You
JEE
NEET
Foundation JEE
Foundation NEET
CBSE
Detailed Solution
A+B = 16(given) ……..(i)tanα = BsinθA+Bcosθ = tan900∴ A+Bcosθ = 0 ⇒ cosθ = -AB ……(ii)8 = A2+B2+2ABcos θ ……..(iii)By solving eqs. (i), (ii) and (iii) we getA = 6 N, B = 10 N