An individual is attempting to bench press a 1200 N barbell. The individual pushes against the barbell with a force of 1140 N for 3 seconds, but is unable to lift the barbell. How much work was performed as the individual pushed against the barbell

explanation:

the masses of the objects and the distance between them

it is given that trillions of microbes make up to 1% to 3% of the body mass.

let's take average of this percentage: 2%

consider the average mass of the human body as 70 kg.

then, trillions of microbes would have mass  

therefore, 100 trillion micro-organisms would weigh:

this is an approximate value and could change depending on the mass of the human body and percentage of the microbes present in it.

average mass per microorganism =