Respuesta :
Using the concepts of momentum, we got that kinetic energy never be negative. The reason behind my possible answer is -It is always greater than or equal to zero. The kinetic energy of a moving object is equals one-half product of its mass and the square of its velocity. Since the mass of the object can never be zero, the square of velocity makes the answer positive.
Kinetic Energy (Key Points)
- The energy possessed by body due to its motion.
- The S.I. unit is joule (kg.m2/sec2).
- It is directly proportional to the velocity of the object squared. This means that when the velocity of object doubles, its K.E becomes 4 times.
- When K.E is directly proportional to the mass of the moving object, when the mass of object doubles, then K.E also gets doubled.
- A scalar quantity is completely described by the magnitude alone.
Hence, kinetic energy never be negative, the possible reason for my answer is that- The kinetic energy of the moving object equals one-half product of its mass and the square of its velocity. Since the mass of the object can never be zero, the square of velocity makes the answer positive.
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(Complete question) is:
can kinetic energy ever be negative? give a possible reason for your answer without making use of any equations.
