Problem 7.27 - Enhanced with Feedback Part A A 1.50-m-long barbell has a 24.0 kg

Question

Problem 7.27 - Enhanced with Feedback Part A A 1.50-m-long barbell has a 24.0 kg weight on its left end and a 37.0 kg weight on its right end If you ignore the weight of the bar itself, how far from the left end of the barbell is the center of gravity? Express your answer to three significant figures and include the appropriate units You may want to review ( pages 204-205) dValueUnits Submit My Answers Give Up Part B Where is the center of gravity if the 8.00 kg mass of the barbell itself is taken into account? Express your answer to three significant figures and include the appropriate units dq= Value Units Submit My Answers Give Up Continue

Explanation / Answer

(A) r= (m1 r1 + m2 r2) / (m1 + m2)

r = ( 24x0 + 37x1.50 ) / (24 + 37)

r = 0.91 m

(b) r = ( 24x0 + (8 x1.50/2) + (37x1.50))/(24 + 8 + 37)

r = 0.891 m

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