In the context of mechanical systems, what does the term efficiency mean?
A.
the factor by which a machine multiplies a force
B.
the ratio of a machine’s power to the force of its input
C.
the rate at which a machine performs work
D.
the rate at which a machine consumes energy
E.
the ratio of the work output of a machine to the work input
Answer:
C
Explanation
found it on the internet
Answer:
It's actually E.
Explanation:
The efficiency of a machine is the fraction of the input energy that the machine converts into useful work at the output
Which of the following statements is true?
An input device receives information from the computer and an output device sends information to the computer.
An output device receives information from the computer and an input device sends information to the computer.
Neither statement is true.
How do you take a picture
Answer:
Explanation:
4