Published by:
CGP EDU Academic Team
Published on: September 12, 2026
If 
is force vector, 
is velocity vector, 
vector is acceleration vector and 
vector is displacement vector with respect to mean position than which of the following quantities are always non-negative in a simple harmonic motion along a straight line?
A
. 
B
. 
C
. 
D
. 
Text Solution
Verified by ExpertsThe correct answer is:
A
since all collision are elestic and total energy is conserved Time period of motion of right block is 
.
Time period of motion of left block is 
So. Total time period 
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