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any two masses in the universe are attracting each other with gravitational force. assume that four...

any two masses in the universe are attracting each other with gravitational force. assume that four m kg spheres are located at the corner of a square of side d.

1. draw the free body diagram showing vector forces on the sphere in the lower left corner due to other masses.

2. find an expression of the resultant force in terms of G, m, and d.

3. if m=8.5kg and d=80cm, calculate the magnitude and direction of the gravitational force.

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