An object with a mass of #7 kg# is hanging from a spring with a constant of #2 (kg)/s^2#. If the spring is stretched by # 17 m#, what is the net force on the object?

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Answer 1 · 2017-03-06T12:49:35

The net force is #=34.6N# acting downwards

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Let's resolve in the vertical direction #uarr^+#

#F_1=kx=2*17=34N#

#F_2=-mg=-7g=-68.6N#

The net force is

#F=F_1+F_2=34-68.6=-34.6N#

The force is acting downwards,