why weight always act towards center of earth?
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Weight and Gravitational Force. When an object is dropped, it accelerates toward the center of Earth. If air resistance is negligible, the net force on a falling object is the gravitational force, commonly called its weight →w , or its force due to gravity acting on an object of mass m.
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When an object is dropped, it accelerates toward the center of Earth. Newton's second law says that a net force on an object is responsible for its acceleration. Weight can be denoted as a vector because it has a direction; down is, by definition, the direction of gravity, and hence, weight is a downward force.
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