moments about fulcrum
50(40 - 10 ) = m (50 - 40)
10 m = 1500
m = 150 grams
A uniform meter strick is found to balance at 50cm mark when placed on fulcrum. When 50g mass is attached at the 10cm mark, the fulcrum must be moved to the 40cm mark for balance. what is the mass of the meter strick?
1 answer