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Ah hah! You're one of those individuals who thinks that "acceleration" means "speeding up".
Admit it.
It doesn't. 'Acceleration' is any change in the speed or direction of motion. In circular
motion, the direction is constantly changing. So, although the speed is constant, that's
accelerated motion.
What else can I help you with?
Is acceleration uniform in uniformly circular motion?
No, acceleration is not uniform in uniformly circular motion. In uniformly circular motion, the direction of the velocity vector is constantly changing, which means there is always a centripetal acceleration acting towards the center of the circle. This centripetal acceleration is not constant in magnitude, making the overall acceleration not uniform.
Is the statement 'a body moving with uniform speed along a circular path is subjected to uniform acceleration' true or false justify?
This statement is true. This type of movement is called Uniform Circular Motion. For every circular motion at constant speed, there is a constant radial acceleration (always pointing towards the center of the circle) named centripetal acceleration. This constant acceleration ensures that at every moment during the motion the orientation of the velocity is changed so that the object stays in a circular path.
In uniform circular motion, how are force and acceleration directed?
In uniform circular motion, the force is directed towards the center of the circle, while the acceleration is directed towards the center as well.
What does uniform circular motion mean?
Uniform circular motion is the movement of an object along a circular path at a constant speed. The object experiences a centripetal acceleration directed towards the center of the circle, which keeps it moving in a circular trajectory. The velocity of the object is tangential to the circle at any given point.
Why tangential acceleration is not produced in uniform circular motion?
Because there is no tangential force acting on the object in uniform circular motion. The proof that there is no tangential component of acceleration is the fact that the tangential component of velocity is constant.
Is uniform circular motion accelerated?
Yes, uniform circular motion involves constant speed but changing direction, which means there is acceleration present in the form of centripetal acceleration directed towards the center of the circular path.
What is the direction of acceleration in circular uniform motion?
The direction of acceleration in circular uniform motion is directed towards the center of the circle, which is also known as centripetal acceleration. This acceleration is responsible for keeping an object moving in a circular path instead of moving in a straight line.
When an object is moving with uniform circular motion the centripetal acceleration of the object?
The centripetal acceleration of an object in uniform circular motion is directed towards the center of the circular path and is perpendicular to the object's velocity. It is responsible for changing the direction of the object's velocity, keeping it moving in a circular path.
In uniform circular motion quantities are constant?
In uniform circular motion, the speed of the object remains constant, but the velocity changes direction continuously. The acceleration is directed towards the center of the circle (centripetal acceleration) and its magnitude remains constant. The object moves in a circular path at a constant speed.
Is it true or false that For a particle in uniform circular motion the instantaneous-acceleration vector is directed radially outward?
True. In uniform circular motion, the particle's velocity is tangential to the circular path, and the acceleration is directed radially inward, towards the center of the circular path. This centripetal acceleration causes the change in direction of the particle's velocity, but the magnitude of the velocity remains constant.
Why is uniform circular motion an example of uniform acceleration?
With no acceleration a body moves at constant speed in a straight line. However to travel a circular path you have to apply a force to bend the path of the object form a straight line into a circle. The application of this force is an acceleration. Note too that because the path is circular, the SAME force is required at all points of the circle this makes the acceleration UNIFORM. If you do not believe this, tie something to the end of a piece of string and swing it round your head in a circle. You will feel the string pulling your hand as you do this, this is the force causing the acceleration.
Give reason why uniform circular motion is considered as accelerated motion?
Because within circular motion, acceleration is constant
