despino004 despino004
  • 15-01-2021
  • Physics
contestada

Why are some machines less than 100% efficient?

Respuesta :

emanbadwan
emanbadwan emanbadwan
  • 15-01-2021

Answer:

The output work is always less than the input work because some of the input work is used to overcome friction. Therefore, efficiency is always less than 100 percent. The closer to 100 percent a machine's efficiency is, the better it is at reducing friction

Explanation:

Answer Link
adotber420 adotber420
  • 15-01-2021

Answer:

Not all machines work effectevly.

Explanation:

A disrepare objest may not work as vigorus as a new object.

Answer Link

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