A plank with a small block on top of it is under going vertical SHM. Its period is 2 sec. The minimum amplitude at which the block will separate from plank is : A plank with a small block on top of it is under going vertical SHM. Its period is 2 sec. The minimum amplitude at which the block will separate from plank is : October 28, 2020 Category: Cengage JEE Mains Physics by B.M Sharma , Chapter 15 - Oscillation and SHM , Facebook Messenger WhatsApp Share this:TwitterFacebook Related