The power we derive from metabolism can do work and generate heat. What is the mechanical efficiency of a rela

Question

The power we derive from metabolism can do work and generate heat. What is the mechanical efficiency of a relatively inactive person who expends 100 W of power to produce about 2 W of power in the form of work, while generating about 98 W of heat?

Answer 1

mechanical efficiency is a percentage =
Output as work / total input * 100
=2/100*100
= 2%
Ans = 2%