Simple harmonic motion

[Arun Raja]

 

[NascentOxygen]

How will you go about working out the answer?

 

[Arun Raja]

Tension should be proportional to acceleration given by -w^2(x).
Thus tension and acceleration graph should be the same.
i think it is either A or D.
Please help me clarify.

 

[rude man]

Tension should be proportional to acceleration given by -w^2(x).
Thus tension and acceleration graph should be the same.
i think it is either A or D.
Please help me clarify.

A and D show T=0 when x=0. Is this correct?