A 1-kg rock is suspended from the tip of a meter stick at the 0-cm mark so that the meter stick balances like a seesaw when the fulcrum is at the 25-cm mark.From this information,what is the mass of the meter stick?
A)1/4 kg
B)1/2 kg
C)3/4 kg
D)1 kg
E)more than 1 kg

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The Answer of A 1-kg rock is suspended from the tip of a meter stick at the 0-cm mark so that the meter stick balances like a seesaw when the fulcrum is at the 25-cm mark.From this information,what is the mass of the meter stick?
A)1/4 kg
B)1/2 kg
C)3/4 kg
D)1 kg
E)more than 1 kg

A 1-Kg Rock Is Suspended from the Tip of a Meter