End effectors are where the work occurs and robot interacts with its environment.

• A. True
• B. False
• C. Sometimes
• D. Never

Answer: (A)

End effectors are the device at the end of a robot arm that actually performs the task and interacts with the environment. They are where the work happens because this is the part that directly contact, manipulate, or affect the workpiece—grippers hold and move parts, welding torches join materials, suction cups lift objects, drills create holes, and so on. The arm and joints mainly provide position, orientation, and force, but the real operation occurs at the end effector. So the statement is true. The idea that the work might occur elsewhere would not fit how a typical robotic system is designed, since the end effector is specifically the tool that carries out the action.