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flo123
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excluding the answer of centrifugal forces, why is there a tension in a piece of string with a mass attached on the end, going in a HORIZONTAL circular movement, when the mass is always accelerating towards the centre anyway??
Centrifugal force is a perceived outward force that acts on an object when it is in a curved or circular path. It is not a true force, but rather a result of inertia and Newton's first law of motion.
When an object is in a horizontal circle, the centrifugal force acts perpendicular to the direction of motion, pulling the object away from the center of the circle. This creates tension in the string or object that is keeping the object in the circle.
The tension in a string is directly related to the magnitude of the centrifugal force acting on an object. As the object's speed or mass increases, the centrifugal force and tension in the string also increase.
No, centrifugal force is not a true force like gravity or friction. It is a perceived force that results from an object's inertia and motion in a curved path.
Centrifugal force can be calculated using the formula F = mv^2/r, where m is the mass of the object, v is its velocity, and r is the radius of the circle. This formula can also be used to calculate the tension in a string.