Each of the three balls has a mass m and is welded to the rigid equiangular form of negligible mass. The assembly rests on a smooth horizontal surface. A force F is suddenly applied to one bar as shown in fig. (1). Which of the following statement is connect
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
The acceleration of point O is a=F2mi
b
The acceleration of point O is a=Fmi
c
The magnitude of angular acceleration of the frame α=Fb/mr2
d
The magnitude of angular acceleration of the frame α=Fb/3mr2
answer is D.
(Unlock A.I Detailed Solution for FREE)
Best Courses for You
JEE
NEET
Foundation JEE
Foundation NEET
CBSE
Detailed Solution
The net force on the frame = total mass x acceleration∴ F=3 maor a=F3mi^We know that τ=Iα=3mr2α or Fb=3mr2α α=Fb/3mr2