An apparatus like the one Cavendish used to find G has large lead balls that are 5.2 kg in mass and small ones that are 0.046 kg. The center of a large ball is separated by 0.057 m from the center of a small ball. The Cavendish apparatus for measuring G. As the small spheres of mass m are attracted to the large spheres of mass M, the rod between the two small spheres rotates through a small angle. Find the magnitude of the gravitational force between the masses if the value of the universal gravitational constant is 6.67259 × 10−11 Nm2/kg2. Answer in units of N.

The magnitude of gravitational force between two masses is .

Explanation:

Given that,

Mass of first lead ball,

Mass of the other lead ball,

The center of a large ball is separated by 0.057 m from the center of a small ball, r = 0.057 m

We need to find the magnitude of the gravitational force between the masses. It is given by the formula of the gravitational force. It is given by :

So, the magnitude of gravitational force between two masses is . Hence, this is the required solution.

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the higher the current the higher the mag field around it the higher the influence on the compass