A rubber band feels warmer than its surroundings immediately after it is quickly stretched; it become noticeably cooler when it is allowed to contract suddenly. Also , a rubber band supporting a load contracts on being heated, explain these observations using the fact that the molecules of rubber consist of intertwined and cross-linked long chains of atoms in roughly random orientation.
A rubber band feels warmer than its surroundings immediately after it is quickly stretched; it become noticeably cooler when it is allowed to contract suddenly. Also , a rubber band supporting a load contracts on being heated, explain these observations using the fact that the molecules of rubber consist of intertwined and cross-linked long chains of atoms in roughly random orientation.