High School

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A 115-kg object and a 415-kg object are separated by 3.40 m.

(a) Find the magnitude of the net gravitational force exerted by these objects on a 46.0-kg object placed midway between them.

(b) At what distance from the 115-kg object will the 46.0-kg object experience zero net force due to the two larger masses?

Answer :

The magnitude of the net gravitational force exerted by these objects on a 46. 0-kg object placed midway between them is 3.05 x [tex]10^{-8}[/tex] N.

To find force(F)

Given, mass of object1 (m1) = 115 kg

mass of object2 (m2) = 46 kg

distance between centers of masses (r) = 3.4 kg

Gravitational Force G = 6.6743 x [tex]10^{-11}[/tex] N[tex]\frac{m^{2} }{kg^{2} }[/tex]

As per Newton's law of universal gravitation:

"Every particle attracts every other particle in the universe with a force that is proportional to the product of their masses and inversely proportional to the square of the distance between their centers."

F = G [tex]\frac{m1m2}{r^{2} }[/tex]

= 6.6743 x [tex]10^{-11}[/tex] [tex]\frac{115 x 46}{3.4^{2} }[/tex]

= 6.6743 x [tex]10^{-11}[/tex] x [tex]\frac{5290}{11.56}[/tex]

= 6.6743 x [tex]10^{-11}[/tex] x 457.6125

= 3.05 x [tex]10^{-8}[/tex] N

Hence, Force F = 3.05 x [tex]10^{-8}[/tex] N.

To know more about Newton's law of universal gravitation: https://brainly.com/question/30667331

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