Three forces 9, 12 and 15 N acting at a point are in equilibrium. The angle between 9 N and 15 N is 12 and 15 N acting at a point are in equilibrium. The angle between 9 N and 15 N is Three forces 9 September 8, 2020 Category: Cengage NEET by C.P Singh , Chapter 3 - Vectors , Part 1 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related