एक तंत्र (mechanism) में गति संचारित करते समय एक ________ कड़ी (link) में कोई भी प्रत्यक्ष विरूपण (deformation) नहीं होता है।

In which of the following power transmission drives is there ideally no slip?

A fixed gear having 200 teeth is in mesh with another gear having 50 teeth. The two gears are connected by an arm. Find the number of turns made by the smaller gear for one revolution of the arm about the center of the fixed bigger gear.