Homework Help: Physics

Posted by Mike on Thursday, January 24, 2013 at 7:44pm.

A spring scale being used to measure the weight of an object reads 17.1 N when it is used on earth. The spring stretches 4.40 cm under the load. The same object is weighed on the moon, where gravitational acceleration is
1
6
g.

Find the reading of the spring scale on the moon.

HELP PLEASE

Physics - Elena, Friday, January 25, 2013 at 4:21am
mg=17.1 N =>
mg= kx
k=mg/x
On the moon
mg`=kx₁
x₁=mg`/k =m•1.6•g•x /mg=1.6x=1.6•0.044=0.0704 m

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