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Sunday, 07 July 2024

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Which of the following statements is/are correct in any machine? I. The velocity ...

Which of the following statements is/are correct in any machine?

I. The velocity ratio is usually greater than the mechanical advantage.
II. Efficiency work inputwork outputIII. The velocity ratio is independent of friction.

A. I only
B. III only
C. I and II only
D. I and III only
E. II and III only




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