Can any object have momentum even if its mechanical energy is zero? Explain.

No, if the mechanical energy of an object is zero, then momentum is also zero. This can be explained as:

Then, Mechanical energy$=$Kinetic energy$+$Potential energy$=0$

So, kinetic energy$=$potential energy$=0$

Or $\frac{1}{2}mv^2=0$

Or $v=0$

So, momentum $mv=0$

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Updated on: 10-Oct-2022

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