question_answer

A particle is moving along a circular path. The angular velocity, linear velocity, angular acceleration, and centripetal acceleration of the particle at any instant, respectively, are \[\vec{w},\,\vec{v},\,\vec{\alpha }\,and\,{{\vec{a}}_{c}}\]. Which of the following relations is not correct?

A) \[\vec{w}\bot \vec{v}\] 

B) \[\vec{w}\bot \vec{\alpha }\]

C) \[\vec{w}\bot {{\vec{\alpha }}_{c}}\]   

D) \[\vec{v}\bot {{\vec{\alpha }}_{c}}\]