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Q: Why does an object in orbit needs a centripetal force act?
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What is the relationship between centripetal force and speed?

centripetal force is the object moving in a circular orbit, speed is just how fast it does it


What is the origin of centripetal force?

Centripetal force is the resultant force acting towards the centre of orbit of an object undergoing uniform circular motion.


What is meant by centripetal force and why does such a force not work in circular orbit?

Centripetal force is the force that keeps an object moving in a circular path. It always acts towards the center of the circle. In a circular orbit, the centripetal force is provided by the gravitational force between the orbiting object and the object it is moving around. If there were no central force, the object would move in a straight line tangent to the circle.


How does it move around the sun?

For object to orbit around the Sun, it required gravitation force from mass of the Sun in balance with centripetal force from velocity of the object. If the gravitation force is too strong then the object would pull down to the sun and if the centripetal force is too great then the object would escape from the orbit.


What is centripetal force and centrifugal force examples in dailylife?

Centripetal force is the force necessary to apply to an object to get it to orbit; like spinning a rock on a string. It you are holding on to the string, you will feel a centrifugal force.


What force keeps and object in orbit?

Gravity holds an object in a circular orbit.


Why an object in orbit needs a centripetal force acting on it. In what direction does a centripetal force act?

"Centripetal" means "seeking the center" or "toward the center". If there were no force on an object in orbit, it wouldn't be 'in orbit' at all, and it would just sail off in a straight line at a constant speed. Gravitational force between it and the center of the Earth bends its path into a curve. -- If its speed is too great, it curves part way around the Earth and takes off on a 'hyperbolic' path without settling into an orbit. -- If its speed is too slow, its path gets curved so much that the object falls to Earth. -- If its speed is in the 'mid-range', it settles into a closed, elliptical orbit.


Why an object in orbit needs a centripetal force acting on it in what direction does a centripetal force act?

"Centripetal" means "seeking the center" or "toward the center". If there were no force on an object in orbit, it wouldn't be 'in orbit' at all, and it would just sail off in a straight line at a constant speed. Gravitational force between it and the center of the Earth bends its path into a curve. -- If its speed is too great, it curves part way around the Earth and takes off on a 'hyperbolic' path without settling into an orbit. -- If its speed is too slow, its path gets curved so much that the object falls to Earth. -- If its speed is in the 'mid-range', it settles into a closed, elliptical orbit.


How does the centripetal force act on a satellite?

Centripetal force makes a satellite orbit a body.


What happens to an object that is moving in a circle if the centripetal force is removed?

The centripetal force is what draws the object towards the centre. The centrifugal force is what draws the object away from the centre. Generally when one speaks of centrifugal force, one means only that it takes the centripetal force to keep moving the object out of its straight direction of travel. If you remove the centripetal force in such an example, such as when the object is in a circular orbit around another body, then the result will be that the orbiting body will continue traveling in a straight line at a tangent to the circular path it had been following.


How centripetal force equals to gravitational force?

The centripetal force is equal to the gravitational force when a particular body is in a circle. For a body that is in an orbit, the gravitational force is equivalent to the centripetal force.


Is the law of universal gravitation states that the total momentum of object that interacts does not change?

Is the type of force that cause a satellite to orbit earth is a centripetal force