The two blocks in an Atwood machine have masses 2.0 kg and 3.0 kg. The work done by gravity during the fourth second after the system is released from rest. The two blocks in an Atwood machine have masses 2.0 kg and 3.0 kg. The work done by gravity during the fourth second after the system is released from rest. October 21, 2020 Category: Cengage NEET by C.P Singh , Chapter 8 - Work, Energy and Power , Part 1 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related