1.

Two pulleys of radii r‚ÇÅ and r‚ÇÇ and at distance x apart are connected by means of a cross belt drive. The length of the belt is$?

A. π (r₁ + r₂) + [(r₁ + r₂)²/x] + 2x
B. π (r₁ + r₂) + [(r₁ - r₂)²/x] + 2x
C. π (r₁ - r₂) + [(r₁ - r₂)²/x] + 2x
D. π (r₁ - r₂) + [(r₁ + r₂)²/x] + 2x
Answer» B. ≈ì√Ñ (r‚Äö√á√Ö + r‚Äö√á√á) + [(r‚Äö√á√Ö - r‚Äö√á√á)¬¨‚â§/x] + 2x


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