Classical Mechanics (Kibble & Berkshire) · Problem 1.4

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

Physics — Mechanics · vector-geometry

Problem

Let

ABCD

be a general (skew) quadrilateral and let

P

Q

R

S

be the mid-points of the sides

AB

BC

CD

DA

respectively. Show that

PQRS

is a parallelogram.