A single horizontal force F is applied to a block of mass M1, which is in contact with another block - Physics - Laws Of Motion

Question

A   sin g l e   h o r i z o n t a l   f o r c e
  F   i s   a p p l i e d   t o   a  
b l o c k   o f   m a s s   M 1 ,   w h i c h
  i s   i n   c o n t a c t   w i t h   a
n o t h e r   b l o c k   o f   m a s s   M 2
  a s   s h o w n   i n   t h e   f i g u
r e   I f   t h e   s u r f a c e s   a r e
  f r i c t i o n l e s s ,   t h e   f o r c e
  b e t w e e n   t h e   b l o c k   i s
  ( 1 ) M 1 F M 2 ( 2 ) M 1 F M 1 + M 2 ( 3 ) M 2 F M 1 + M 2
( 4 ) M 2 F M 1

Decoder_2 · Accepted Answer

Dear
student,
Let the acceleration of both the blocks be a when a force F is
applied to them
now the acceleration of the system = Fnet/total mass
a = FM1+M2
and newtons second law force on mass M2 is
F = â€‹ â€‹
M2 x a
= M2FM1+M2 = M2FM1+M2
and force on Mâ€‹1 is
Mâ€‹1xa
M1FM1+M2 = M1FM1+M2
Regards