Four similar particles of mass m are orbiting in a circle of radius r in the same direction and same speed because of their mutual gravitational attractive force as shown in the figure. Speed of a particle is given by
A
B
C
D
zero
Text Solution
Verified by ExpertsThe correct answer is:
A
Net force is towards center
F net = F 2 + 
= F 2 + 
F 1
→ F net = 
+ 
= 
⇒ v = 
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