Which of the following statements are true of an object in orbit around Earth? T

Question

Which of the following statements are true of an object in orbit around Earth? The gravity force on the object always has components both parallel and perpendicular to the object's velocity.If the orbit is circular, the gravity force is perpendicular to the object's velocity.If the orbit is elliptical, the gravity force is perpendicular to the velocity vector only at the nearest and farthest points.If the orbit is not circular, the speed is greatest when the object is farthest away from Earth. All these statements are true.

Explanation / Answer

If the orbit is circular, the gravity force is perpendicular to the object's velocity

If the orbit is elliptical, the gravity force is perpendicular to the velocity vector only at the nearest and farthest points

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