कार्य ऊर्जा आणि शक्ती प्रश्न १९
प्रश्न: ऋणात्मक कार्याच्या बाबतीत, बल आणि विस्थापन यांच्यातील कोन असतो
पर्याय:
A) $ 0{}^\circ $
B) $ 45{}^\circ $
C) $ 90{}^\circ $
D) $ 180{}^\circ $
Show Answer
उत्तर:
योग्य उत्तर: D
BETA
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