Which causes a greater effect to the magnitude of the velocity of an object in uniform circular motion?

Which causes a greater effect to the magnitude of the velocity of an object in uniform circular motion: variation in centripetal force or variation in radius? v=mFcr . As we can see from the formula, the variation in centripetal force and variation in radius causes the same effect on the velocity.

What is the magnitude of velocity in uniform circular motion?

In uniform circular motion, direction of velocity goes on changing continuously, however the magnitude of velocity is constant.

What factors affect velocity in circular motion?

Three factors which affect the centripetal force are:

• mass of the object;
• its speed;
• the radius of the circle.

Does the magnitude of velocity change in uniform circular motion?

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.

What will increase the magnitude of centripetal acceleration in a uniform circular motion?

You are applying a force to change the linear momentum vector (velocity with mass constant ) therefore causing an acceleration. The faster you change the direction of v, the higher your centripetal acceleration.

What is the magnitude of the centripetal acceleration of a car following a curve?

So, centripetal acceleration is greater at high speeds and in sharp curves (smaller radius), as you have noticed when driving a car. We can express the magnitude of centripetal acceleration using either of two equations: ac=v2r;ac=rω2 a c = v 2 r ; a c = r ω 2 .

Why does velocity affect centripetal force?

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 would mean that the force is always directed perpendicular to the direction that the object is being displaced.

Why does velocity change for an object in circular motion?

When an object moves in a circle at a constant speed , its direction constantly changes. A change in direction causes a change in velocity . This is because velocity is a vector quantity – it has an associated direction as well as a magnitude.

Who has the greater magnitude of centripetal acceleration?

Bobby has the greater magnitude of centripetal acceleration. Both Ana and Bobby have the same magnitude of centripetal acceleration. zero (thus they are equal)!

What causes centripetal acceleration?

centripetal acceleration, the acceleration of a body traversing a circular path. Because velocity is a vector quantity (that is, it has both a magnitude, the speed, and a direction), when a body travels on a circular path, its direction constantly changes and thus its velocity changes, producing an acceleration.