Particles of masses 2M, m and M are respectively at points A, B, and C with . M is much-much smaller than M and at time , they are all at rest. At subsequent times before any collision takes place.
a) m will remain at rest
b) m will move towards M
c) m will move towards 2M
d) m will have oscillatory motion
The answer is the option (c) m will move towards 2M.
Let be the force experienced by m at point B due to M at point C and be force experienced by m at point due to 2 M at point A
If then
Thus, m will move towards point A.