Physics · Power Transmission

Which of the following statements is true regarding belt drives?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1In a cross-belt drive, the driver pulley and driven pulley rotate in the same direction.
2In a cross-belt drive, the driver pulley and driven pulley rotate in opposite directions.✓
3In a flat-belt drive, the ratio of the belt tension on the tight side to the slack side is always equal to one.
4For the same pulley diameters and centre distance, the length of the belt is shorter in a cross-belt drive than in an open-belt drive.

Correct answer

In a cross-belt drive, the driver pulley and driven pulley rotate in opposite directions.

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