A meterstick is supported by a knife-edge at the 50.0-cm mark.Doug hangs masses of 0.48 and 0.76 kg from the 10-cm and 80-cm marks,respectively.Where should Doug hang a third mass of 0.25 kg to keep the stick balanced?
A)64.4 cm
B)25.6 cm
C)74.4 cm
D)35.6 cm
E)50 cm

Question

Quizplus · Accepted Answer

The Answer of A meterstick is supported by a knife-edge at the 50.0-cm mark.Doug hangs masses of 0.48 and 0.76 kg from the 10-cm and 80-cm marks,respectively.Where should Doug hang a third mass of 0.25 kg to keep the stick balanced?
A)64.4 cm
B)25.6 cm
C)74.4 cm
D)35.6 cm
E)50 cm

A Meterstick Is Supported by a Knife-Edge at the 50