B. State whether the following statements are
D.
true or false :
1. Machines are used for doing dangerous
works only.
2. The ratio between useful load lifted to
the effort applied is called mechanical
advantage
3. The energy supplied to a machine in doing
some mechanical work is called input
energy.
please answer my question
and if anyone copies from Google I won't be marking brainleast
Answers
Answered by
2
Answer:
1. False
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Answered by
12
Answer:
1.false2.true3. true
may it helps you with my answer
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