Test ministeriali 2011-2012 in lingua inglese per l’accesso alla facoltà di Medicina e Chirurgia 2012-2013
Domanda 71 di 80
A uniform bar of length 2.0 m and weight 1000 N has its centre of gravity at its centre. The bar is pivoted in the position shown, and supports a weight of 200 N in the position shown in the diagram. What weight is needed at position P to balance the bar?