कार्य, ऊर्जा और शक्ति प्रश्न 19
प्रश्न:
ऋणात्मक कार्य की स्थिति में बल और विस्थापन के बीच का कोण होता है
विकल्प:
A) $ 0{}^\circ $
B) $ 45{}^\circ $
C) $ 90{}^\circ $
D) $ 180{}^\circ $
Show Answer
उत्तर:
सही उत्तर: D
BETA
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