Published by:
CGP EDU Academic Team
Published on: August 14, 2026
In the arrangement shown in figure the block of mass 
lies on the wedge of mass 
. The initial acceleration of the wedge, if the surfaces are smooth, is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
If initial acceleration of M towards right is A, then we can show that acceleration of m w.r.t. M down the incline is
FBD of block 
(w.r.t. M) is shown below:
FBD of M (Figure)
Equation of motion:
For 
…… ..(i)
.....(ii)
For 
…… ..(iii)
From Eqs. (i), (ii) and (iii) 
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