Practicing Success

Target Exam

CUET

Subject

Physics

Chapter

Work Power Energy

Question:

Kinetic energy, with any reference, must be : 

Options:

Depends on the reference

Positive

Negative

Zero

Correct Answer:

Positive

Explanation:

\(\text{Kinetic Energy } = \frac{1}{2} \text{mass} \times \text{velocity}^2\)

\(\text{As : Mass, velocity}^2 > 0\)

\(\Rightarrow \text{ Kinetic energy } > 0\)