Class 9 Science Chapter 11 Work and Energy – 50 VVI MCQ

Class 9 Science Chapter 11 Work and Energy – 50 VVI MCQ

Class 9 Science Chapter 11

कार्य तथा ऊर्जा – 50 VVI MCQ

W = Fs cosθ | K.E. = ½mv² | P.E. = mgh | P = W/t
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