Two pulleys of radii r₁ and r₂ and at distance x apart are connected by means of a cross belt drive. The length of the belt is

π (r₁ + r₂) + [(r₁ - r₂)²/x] + 2x

π (r₁ + r₂) + [(r₁ + r₂)²/x] + 2x

π (r₁ - r₂) + [(r₁ - r₂)²/x] + 2x

π (r₁ - r₂) + [(r₁ + r₂)²/x] + 2x

Two pulleys of radii r₁ and r₂ and at distance x apart are connec

1.	Two pulleys of radii r₁ and r₂ 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. π (r₁ + r₂) + [(r₁ - r₂)²/x] + 2x

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Two pulleys of radii r₁ and r₂ and at distance x apart are connected by means of a cross belt drive. The length of the belt is

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