Kinetic energy — task. Physics CBSE Live product, Class 9 (2025-26).

Select the best answer for the given question from the options:

Assertion (A): The kinetic energy, with any reference, must be positive.

Reason (R): In the expression for kinetic energy, the velocity appears with power \(2\) and mass is a scalar quantity.

Both A and R are true, and R is the correct explanation A.
Both A and R are true, and R is not the correct explanation of A.
A is true, but R is false.
A is false, but R is true.

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7. Kinetic energy

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