Some point masses m1 and m2, located at a distance r=86 m from each other, are attracted to each other with a force of 73 N. What would be the distance between these masses to attract each other with a force of 43 N? Input your answer in N using scientific/exponential notation and 3 significant figures. QUESTION 6 For the situation shown in Figure calculate FL , the magnitude of the force exerted by the left hand. The hands are 0.966 m apart, and the CG of the pole is 0.626 m from the left hand. The mass of the pole is 9.91 kg. Input your answer in N using 3 significant figures. g=9.80 mis? Center of gravity (CG) is the point where the total weight of the body is assumed to be concentrated. Free-body diagram w CG F

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Central Force

Central force is the force that acts along the center of mass of one body to the center of mass of another body. Its direction from or away from a point on a body to another is called the center of the force. Such forces include gravitational force between two massive objects or electrostatic forces between two charged particles. So from atoms to planets, the central forces play an important role in shaping our daily lives. One of the remarkable features of central forces is that they are conservative, i.e. the total energy of a central force system can always be expressed as a gradient of a potential energy function.