In Figure 13-34, a square of edge length 21.0 cm is formed by four spheres of masses m1 = 6.00 g, m2 = 3.00 g, m3 = 1.00 g, and m4 = 6.00 g. In unit-vector notation, what is the net gravitational force from them on a central sphere with mass m5 = 2.40 g?(adsbygoogle = window.adsbygoogle || []).push({});

Well by using Newton's Law of Gravitation I get a single answer and I know it points towards m2 (or maybe i'm wrong). I just don't know how to write this in unit-vector notation.

I did F={(6.67e-11 m^3/kg*s^2)(.0024kg)(.003kg-.001kg)}/{(.148m)^2}

I get F=1.46e-14 N. I don't know if this is right, and if it is right I don't know how to put it in unit-vector notation.

Nevermind figured it out :)

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# Homework Help: Writing Gravitation Force On Central Sphere In Unit Vector Notation

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