Admission test for the degree course in medicine and surgery 2011-2012

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?

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?