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GATE ME 2023 Set 1 — Question 34

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NAT+1 / -0MediumBelt, Brake, Clutch & Screw FrictionStaticsEngineering Mechanics

Engineering Mechanics → Statics → Belt, Brake, Clutch & Screw Friction

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Question

The braking system shown in the figure uses a belt to slow down a pulley rotating in the clockwise direction by the application of a force P. The belt wraps around the pulley over an angle α=270\alpha = 270 degrees. The coefficient of friction between the belt and the pulley is 0.3. The influence of centrifugal forces on the belt is negligible.
A braking system diagram showing a pulley with a belt wrapped around it. The belt has tensions $T_1$ and $T_2$ on either side. A lever is used to apply force P to tighten the belt.
During braking, the ratio of the tensions T1T_1 to T2T_2 in the belt is equal to __________. (Rounded off to two decimal places)
Take π=3.14\pi = 3.14.
Your answer

Enter a number. Decimals, negative values and scientific notation are accepted.

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