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How does directional force effect the velocity of an object?

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A force acting in the same direction as the velocity changes only the speed of the body. An appropriate force acting always at right angles to the velocity changes the direction of the velocity but not the speed. An example of such an accelerating force is the gravitational force exerted by a planet on a satellite moving in a circular orbit.

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Similar questions: What is an example of directional force acting on a body in motion? How does a force acting at right angles to an object in motion effect speed? [ Hide these questions ]

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