Problem 16.9

At the instant

ωA = 7 rad/s , pulley A is given an angular acceleration α=(0.7θ)rad/s2, where θ is in radians. Pulley C has an inner hub which is fixed to its outer one and turns with it.

 

 

 

Part A

Determine the magnitude of acceleration of point B on pulley C when A rotates 3 revolutions.

Express your answer to three significant figures and include the appropriate units.

aB =

27.9 ms2