Question

Compare between centre of suspension and centre of oscillation

Answer 1

$centre \: of \: suspension$:

The point about which a PENDULUM oscillates .

$centre \: of \: oscillation$:
A point in a pendulum at which , if the mass were concentrated the period would be unchanged .

Answer 2

↪ A point about which a pendulum oscillates .

↪ A point at which whole mass of a pendulum is concentrated .