The gravitational force exerted by Earth on a unit mass at a distance r from the center
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M is the mass of Earth, R is its radius, and G is the gravitational constant. Is F a continuous function of r?
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GMr if r
GMr if rR
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By Theorem 5 each piece of F is continuous on its ...View the full answer
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In Physics, a force is an influence that can change the motion of an object. A force can cause an object with mass to change its velocity, i.e., to accelerate. Force can also be described intuitively as a push or a pull. A force has both magnitude and direction, making it a vector quantity. In this video, the concept of force and torque is demonstrated with the practical application of changing the flat tire of the car.
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