1.

At an instant the link AB of length r has an angular velocity ω and an angular acceleration α. What is the total acceleration of AB?

A. [(ω2r)2 + αr)2]1/2
B. [(ωr)2 + αr)2]1/2
C. [(ω2r)2 + αr)]1/2
D. [(ω2r)2 + αr)2]1/2
Answer» B. [(ωr)2 + αr)2]1/2


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