answersLogoWhite

0

If an object is rolling without slipping, then its kinetic energy can be expressed as the sum of the translational kinetic energy of its center of mass plus the rotational kinetic energy about the center of mass. The angular velocity is of course related to the linear velocity of the center of mass, so the energy can be expressed in terms of either of them as the problem dictates, such as in the rolling of an object down an incline. Note that the moment of inertia used must be the moment of inertia about the center of mass. If it is known about some other axis, then theparallel axis theorem may be used to obtain the needed moment of inertia.

User Avatar

Wiki User

13y ago

What else can I help you with?

Continue Learning about Natural Sciences

Is it possible to change translational kinetic energy of an object without changing it rotational energy?

Yes, it is possible to change the translational kinetic energy of an object without changing its rotational energy. Translational kinetic energy depends on an object's linear velocity, while rotational energy depends on its angular velocity. By adjusting the linear velocity without changing the angular velocity, you can change the object's translational kinetic energy without affecting its rotational energy.


What is the kinetic energy called when it is moving?

Kinetic energy is when it's moving. Potential energy is when the object is motionless.


Which substance will have the greatest amount of translational energy?

The substance with the greatest amount of translational energy will typically be a gas at a high temperature, as gases have particles that move freely and rapidly. The kinetic energy associated with this motion is directly related to the temperature of the gas, with higher temperatures resulting in increased translational energy. Among different substances, lighter gases at elevated temperatures will generally have more translational energy due to their higher average speeds.


Why is a rock on the top of a hill kinetic energy?

A rock on top of a hill has potential energy, not kinetic energy. If it starts rolling down the hill then the potential energy transforms to kinetic energy.


Temperature is relative to the energy of the molecules?

Increasing temperature will increase molecular speed.An object with less massive molecules will have higher molecular speed at the same temperature.When kinetic temperature applies, two objects with the same average translational kinetic energy will have the same temperature. An important idea related to temperature is the fact that a collision between a molecule with high kinetic energy and one with low kinetic energy will transfer energy to the molecule of lower kinetic energy.

Related Questions

What is the kinetic energy of a rolling ball?

The kinetic energy of a rolling ball is the energy it possesses due to its motion. It is calculated using the formula KE = 0.5 * m * v^2, where KE is the kinetic energy, m is the mass of the ball, and v is the velocity of the ball. When a ball is rolling, it has both translational and rotational kinetic energy, which can be calculated separately and then added together to find the total kinetic energy of the ball.


What are the four types of kinitec energy?

The four types of kinetic energy are translational, rotational, vibrational, and oscillatory. Translational kinetic energy is associated with an object's motion through space, while rotational kinetic energy is related to an object's spinning motion. Vibrational kinetic energy involves back-and-forth movements within a system, and oscillatory kinetic energy pertains to periodic motion around a fixed point.


Is it possible to change translational kinetic energy of an object without changing it rotational energy?

Yes, it is possible to change the translational kinetic energy of an object without changing its rotational energy. Translational kinetic energy depends on an object's linear velocity, while rotational energy depends on its angular velocity. By adjusting the linear velocity without changing the angular velocity, you can change the object's translational kinetic energy without affecting its rotational energy.


Is the temperature of an object a measure of the total translational kinetic energy of molecules in the object or a measure of the average translational kinetic energy per molecule in the object?

Temperature is a measure of the average translational kinetic energy per molecule in an object. It represents the average energy of motion of individual molecules within the object.


What is the relationship between an object's mass, velocity, and translational kinetic energy?

The relationship between an object's mass, velocity, and translational kinetic energy is described by the equation: Kinetic energy 0.5 mass velocity2. This means that the kinetic energy of an object is directly proportional to both its mass and the square of its velocity. In other words, as the mass or velocity of an object increases, its translational kinetic energy also increases.


A basketball rolling across a flat floor has energy?

A basketball rolling across a flat floor has translational and rotational kinetic energy. There's a force of gravity pulling the ball down towards the floor, and a reaction force pushing the ball up away from the floor.


What kind of energy does a rolling toy have (rolling toy)?

It has kinetic energy.


Is a rolling marble a kinetic or potential energy?

A rolling marble has kinetic energy due to its motion.


What is translational energy?

The kinetic energy of an object is the energy which it possesses due to its motion.Translation kinetic energy is energy due to motion along a path (as opposed to rotational kinetic energy, which energy do the motion created when an object rotates, or changes its orientation in space.)


Does a ball rolling have kinetic energy?

Yes, a rolling ball has kinetic energy due to its motion. The amount of kinetic energy it has depends on its mass and velocity.


What is the kinetic energy called when it is moving?

Kinetic energy is when it's moving. Potential energy is when the object is motionless.


Is a wagon rolling down the side walk kinetic energy or potential energy?

kinetic energy