Grade 9General Physics
Why kinetic energy depends on direction of motion ?
1 Answer
Mayank Janbandhu
If kinetic energy depended on direction, then if it went in the opposite direction of the 'positive vector', it would be negative which is not possible. There is no definite positive vector. Kinetic energy is energy. If energy was lost by dropping an object from a hight because the positive direction for kinetic energy was diagonal to the ground, then it would generally mean that by changing the direction, you are somehow creating heat. Anyway, in real life, how would one specify in what direction the kinetic energy SHOULD be going? No, it does not matter which direction the object is moving.
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