# What remains constant in vertical circular motion?

## What remains constant in vertical circular motion?

Reason ( R) In uniform circular motion, the acceleration of the body is constant . The speed of abody can be begative.

## Does centripetal force stay constant?

The force can indeed accelerate the object – by changing its direction – but it cannot change its speed. In fact, whenever the unbalanced centripetal force acts perpendicular to the direction of motion, the speed of the object will remain constant.

What is the direction of centripetal force in vertical circular motion?

Any net force causing uniform circular motion is called a centripetal force. The direction of a centripetal force is toward the center of curvature, the same as the direction of centripetal acceleration.

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Why is centripetal acceleration not constant?

Even if the speed of the particle is constant, the particle has some acceleration just because the direction of its velocity is continually changing. What’s more, the centripetal acceleration is not a constant acceleration because its direction is continually changing.

### What is constant in centripetal force?

The centripetal force required to make the object move in a circle is Fc=mv^2/r. If the speed is uniform (constant), the magnitude of the centripetal force required is constant. If the object is a mass on a rope, the source of the force is continually adjusting between tension in the rope and the object’s weight.

### What is constant in the circular motion of an object?

To summarize, an object moving in uniform circular motion is moving around the perimeter of the circle with a constant speed. While the speed of the object is constant, its velocity is changing. Velocity, being a vector, has a constant magnitude but a changing direction.

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Is centripetal acceleration constant in direction?

For a car going around a corner of a constant radius moving with a constant speed the magnitude of the centripetal acceleration will be constant but the direction of the acceleration will change. So we would have to say that the centripetal acceleration is not constant in the same way that the velocity is not constant.

Is centripetal acceleration is constant?

Since velocity and radius are constants for a given uniform circular motion, so the magnitude of centripetal acceleration is also always constant. But, the direction of centripetal acceleration changes continuously in the circular path. So, centripetal acceleration is not a constant vector.

#### Can vertical circular motion is uniform circular motion?

Due to influence of earth’s gravitational field, velocity and tension of the body vary in magnitude form maximum at bottom (lowest) point to minimum at the top (highest) point. Hence motion of body in vertical circle is non uniform circular motion.

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#### Which of the following is not constant in uniform circular motion?

When a body which is performing a uniform circular motion then its velocity, angular acceleration and angular velocity changes due to change in its direction but there is no effect on the speed and it remains constant throughout the uniform circular motion.

Why is centripetal acceleration always towards the center?

This means that whatever direction the position vector points, the acceleration vector points the opposite way. Since the position vector always points out and away from the center of rotation, the acceleration vector always points in and towards the center.

Is centripetal force a constant vector?