Answers

2016-02-15T21:30:47+05:30
X is the displacement of the spring's end from its equilibrium position (a distance, in SI units: meters).
F is the restoring force exerted by the spring on that end (in SI units: N or kg·m/s2).
and k is a constant called the rate or spring constant (in SI units: N/m or kg/s2). 


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2016-02-15T21:30:54+05:30
X is a variable in F=Kx where as k is a constant.
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