কাজ, শক্তি আৰু শক্তি প্ৰশ্ন 19
প্ৰশ্ন: ঋণাত্মক কাজৰ ক্ষেত্ৰত শক্তি আৰু স্থানান্তৰৰ মাজত কোণ হ’ল
পছন্দসমূহ:
A) $ 0{}^\circ $
B) $ 45{}^\circ $
C) $ 90{}^\circ $
D) $ 180{}^\circ $
Show Answer
উত্তৰ:
সঠিক উত্তৰ: D
BETA
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