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Do all objects on earth experience the same gravitational field strength and if so why does weight, which is defined as the amount of gravity acting on an object, change? I think I am confusing gravitational force and gravitational strength to be the same. Please help

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  • $\begingroup$ FWIW, little $g$ depends slightly on the position on Earth's surface. $\endgroup$
    – Qmechanic
    Feb 7 '20 at 19:25
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You can think of the gravitational field strength at a point near the surface of the earth as the force of gravity per unit mass. Near the surface of the earth the gravitational force is $mg$. That makes the gravitational strength $\frac{mg}{m}=g$, which is the same for all masses near the surface of the earth.

Hope this helps.

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