Question: Consider a satellite in a circular orbit above Earths surface. In Chapter 4 we will learn that the force of gravity changes the direction of

Consider a satellite in a circular orbit above Earth’s surface. In Chapter 4 we will learn that the force of gravity changes the direction of motion of a satellite (and keeps it in a circle) but does NOT change its speed. Work done on the satellite by the gravitational force is zero. What is your explanation?

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