C. 2N
D.ON
A meter stick is supported by a knife-edge at the 50-cm mark. Arif hangs
masses of 0.40 kg and 0.60 kg from the 20-cm and 80-cm marks,
respectively. Where should Arif hang a third mass of 0.30 kg to keep the
stick balanced?
A. 20 cm B. 70 cm C.30 cm D. 25 cm
Answers
Answered by
4
Answer:
30 cm
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