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A particle starts travelling on a circle with constant tangential acceleration. The angle between velocity vector and acceleration vector at the moment when particle complete half the circular track is

A particle starts travelling on a circle with constant tangential acceleration. The angle between velocity vector and acceleration vector at the moment when particle complete half the circular track is

Grade:11

1 Answers

Arun
25750 Points
5 years ago
The angle between the tangential acceleration and the velocity vector is always 0°, this is because bot acts tangentially while in a circular motion. 
The Centripetal acceleration is perpendicular to the velocity vector thus also to the tangential acceleration in case of the circular motion. 
But in case of the Net Acceleration angle between the velocity vector and net acceleration may vary depending upon the velocity and magnitude of tangential and centripetal acceleration. 

As per as the Question, If a particle will cover half the circle then its velocity vector makes 90° with the centripetal acceleration and 0° angle with tangential acceleration acceleration. For Net Acceleration, Angle is not sure. It may vary depending upon the conditions. 
 

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