What is a result of using a machine?

Time and energy saved

Explanation:

A machine is set a mechanism build so as to reduce human effort and bring maximum efficiency to work.

Today we are surrounded by machines of every kind, shape and sizes.

Machines have brought a revolution in changing the human era. It has not only reduced the work but has also opened doors to new ideas, technology and even to outer world.

A machine provides maximum output in limited period of time thus saving our energy and yielding the best output.

But sometimes over use of machines can even be dangerous. Such as using phone and computer for a long time affect your eyes, X-ray machine is even dangerous to human tissue and body.

Hence we should use them by keeping all pros and cons in mind.

which piece of furniture will have the most inertia and give the furniture movers the most difficulty in moving?  

answer

a 75kg dining table