Question

No machine can achieve 100% efficiency in terms of work output. In any mechanical system, what is considered the most common cause for some of the work being turned into thermal energy?

Answer 1

@CandyCove @ayonnaleflore

Answer 2

A) friction


B) inefficiency


C) poor design of the machine
Eliminate

D) not using the machine properly

Answer 3

Any guesses?

Answer 4

I think maybe b or c

Answer 5

it would be A because friction produces heat which is turned into thermal energy

Answer 6

not c becuase you can design the machine properly.

Answer 7

I agree with A.

Answer 8

so its a

Answer 9

yes

Answer 10

When a television is turned on it converts electrical energy into many other forms of energy. Which set of words correctly lists MOST of these forms?

Answer 11

One question per post.

Answer 12

light energy

Answer 13

answer choices?