what is centripetal force? derive an expression for it .show that the force does no work.
Answers
Answer:
Centripetal force - a force which acts on a body moving in a circular path and is directed towards the center of the circular path.
The expression for it is.
F=mv2/r=mrw2=mwv ( Directed towards the center.)
Answer:
Centripetal force -
A force which acts on a body moving in a circular path and is directed towards the center of the circular path.
The expression for it is. F=mv2/r=mrw2=mwv
Examples:
1. Earth revolves around the sun due to the centripetal force provided by the gravitational force of attraction between earth and sun.
Explanation:
As the centripetal force acts upon an object moving in a circle at constant speed, the force always acts inward as the velocity of the object is directed tangent to the circle. This means that the force is always directed perpendicular to the direction that the object is being displaced.