A robot is a machine capable of physical motion for interacting with the environment. Physical interactions include manipulation, locomotion, and any other tasks changing the state of the environment or the state of the robot relative to the environment. A robot has some form of mechanisms for performing a class of tasks. A rich variety of robot mechanisms has been developed in the last few decades.

Q1: What do you understand about Robots as Mechanisms?

Reference: Introduction to Robotics by Saeed B. Niku [Chapter 2 - Page 34]