Question

what is difference between bar pendulum and kater pendulum ​

Answer 1

Kar pendulum:-

a compound pendulum with adjustable knife edges placed respectively at the center of suspension and near the center of oscillation and used to determine acceleration of gravity by means of the period of oscillation.

bar pendulum:-

A bar pendulum is the simplest form of compound pendulum. It is in the form of a. rectangular bar (with its length much larger than the breadth and the thickness) with holes (for fixing the knife edges) drilled along its length at equal separation.