Classical Mechanics (Kibble & Berkshire) · Problem 2.8

Newton's laws of motion and the law of gravitation — T.W.B. Kibble, F.H. Berkshire

Physics — Mechanics · circular-motion-acceleration

Problem

A particle

P

moves on a circle with centre

O

and radius

b

. At a certain instant the speed of

P

v

and its acceleration vector makes an angle

\alpha

with

PO

. Find the magnitude of the acceleration vector at this instant.