When friction is introduced in the force it is called ______ and as a result energy in form of heat is released.
BPSC 5 Years Past Papers Subject Wise / All — Multiple-choice practice
جب طاقت میں رگڑ متعارف کرایا جاتا ہے تو اسے ______ کہا جاتا ہے اور اس کے نتیجے میں گرمی کی شکل میں توانائی جاری ہوتی ہے۔
- A. Parallel
- B. None of these
- C. Conservative
- D. Unconservative
Correct answer
Unconservative
Explanation
Explanation Friction is an unconservative force because it dissipates mechanical energy as heat. Unlike conservative forces, work done depends on the path, not just initial and final positions.
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