Edexcel GCSE Design and Technology · 1DT0
Specification 1.5.6 · Paper 1
Revise: Pulleys and BeltsA V-belt has a wedge-shaped cross-section that fits into a matching V-shaped groove around each pulley. The belt grips the sloping sides of the groove. This gives better grip and reduces slipping compared with a belt that does not have this wedging action.