Assertion : Angular momentum of a planet is constant about any point Reason : For acting on the planet is a central force. Assertion : Angular momentum of a planet is constant about any point Reason : For acting on the planet is a central force. September 18, 2020 Category: Arihant Physics by D.C Pandey , Chapter 10 - Gravitation , Volume 1 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related