how does the applied force to get something moving compare to the applied force to keep it moving at a constant velocity?

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07-12-2022
Physics

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how does the applied force to get something moving compare to the applied force to keep it moving at a constant velocity?

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jaiswaljyoti jaiswaljyoti · Answer 1 · 2022-12-18T04:15:38-05:00

The applied force MUST ALWAYS be higher than the frictional force in order for the object to begin moving or accelerate. The initial acceleration increases as the disparity grows. (Keep in mind that the square of a motion's resistance is its speed. Because of this, the top speed restriction for cars is set.

Some of the responses are incorrect because they don't comprehend what the term "force" means in the formula "Force = Mass x Acceleration." The force necessary to balance the resistance while at rest or while moving is NOT this force. To move the object, further force is required. Call the frictional force, which opposes this initial extra force, P, and changes with motion, F.

P will keep accelerating the object until the increase in friction stops it from moving at all. That does not imply that the object is not being subjected to additional force. The value of F has grown, but it is still present, and the object is moving with a steady speed.

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