Classical Mechanics (Kibble & Berkshire) · Problem 1.8

Velocity, acceleration and scalar angular velocity — T.W.B. Kibble, F.H. Berkshire

Physics — Mechanics · vector-geometry

Problem

Prove that the three perpendiculars of a triangle are concurrent. [Construct the two perpendiculars from

A

and

B

and take their intersection point as

O

, the origin of position vectors. Then prove that

OC

must be perpendicular to

AB