A-LevelMathematicsMechanicsMay/June 2025Paper 4 Q24 Marks
A van of mass 4500kg is towing a trailer of mass 350kg along a straight horizontal road. The van and trailer are connected by a light rigid tow-bar which is parallel to the road. There are resistance forces of XN on the van and 120N on the trailer. The driving force produced by the van's engine is 2500N. The tension in the tow-bar is TN, and the acceleration of the van is 0.4ms⁻².
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