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If a body is rotating is it necessarily bejng acted upon by an external torque?
No. Just as no force is required to keep a moving body moving in a straight lineat constant speed, no torque is required to keep a rotating body rotating at aconstant speed. External torque is present only if the body's rate of rotation ischanging.
What is the law of inertia for rotating systems in terms of angular momentum?
The law of inertia for rotating systems in terms of angular momentum states that an object will maintain its angular momentum unless acted upon by an external torque. This is a rotational equivalent of Newton's first law of motion, which states that an object in motion will stay in motion unless acted upon by an external force.
What is the angular momentum of the ice skater spinning with her arms out and not being acted upon by an external torque?
The angular momentum of the ice skater spinning with her arms out and not being acted upon by an external torque remains constant.
If a body is rotating is it necessarilybeing acted upon by a torque?
Yes, in order for a body to rotate, it must be subjected to a torque. Torque is the rotational equivalent of force, causing objects to rotate around an axis. Without a torque acting on the body, it would not be able to change its rotation.
What moment of inertia does not depend on angular velocity?
The moment of inertia of an object does not depend on its angular velocity. Moment of inertia is a measure of an object's resistance to changes in its rotational motion, based on its mass distribution around the axis of rotation. Angular velocity, on the other hand, describes how fast an object is rotating and is not a factor in determining the moment of inertia.
If a body is rotating is it necessarily bejng acted upon by an external torque?
No. Just as no force is required to keep a moving body moving in a straight lineat constant speed, no torque is required to keep a rotating body rotating at aconstant speed. External torque is present only if the body's rate of rotation ischanging.
What is the law of inertia for rotating systems in terms of angular momentum?
The law of inertia for rotating systems in terms of angular momentum states that an object will maintain its angular momentum unless acted upon by an external torque. This is a rotational equivalent of Newton's first law of motion, which states that an object in motion will stay in motion unless acted upon by an external force.
In orbital motion the Angular Momentum of the system is?
In orbital motion, the angular momentum of the system is constant if there is no external torque acting on the system. This is a result of the conservation of angular momentum, where the product of the rotating body's moment of inertia and angular velocity remains constant unless acted upon by an external torque.
What is the angular momentum of the ice skater spinning with her arms out and not being acted upon by an external torque?
The angular momentum of the ice skater spinning with her arms out and not being acted upon by an external torque remains constant.
Does Newton's First Law apply to rotating objects?
Yes, Newton's First Law applies to rotating objects as well. An object in rotational motion will continue rotating at a constant speed and direction unless acted upon by an external torque (force). This is analogous to Newton's First Law for linear motion, which states that an object in motion will remain in motion unless acted upon by an external force.
If a body is rotating is it necessarilybeing acted upon by a torque?
Yes, in order for a body to rotate, it must be subjected to a torque. Torque is the rotational equivalent of force, causing objects to rotate around an axis. Without a torque acting on the body, it would not be able to change its rotation.
What moment of inertia does not depend on angular velocity?
The moment of inertia of an object does not depend on its angular velocity. Moment of inertia is a measure of an object's resistance to changes in its rotational motion, based on its mass distribution around the axis of rotation. Angular velocity, on the other hand, describes how fast an object is rotating and is not a factor in determining the moment of inertia.
Angular momentum about the center of the planet is conserved?
Angular momentum is conserved when there is no external torque acting on a system. For a planet, the net torque acting on it is negligible, so its angular momentum about its center will be conserved unless acted upon by an external force. This conservation principle is a consequence of the rotational symmetry of the system.
How will an object move if it is acted on by a positive net torque and force of zero?
A torque will make it rotate - or change its rotation.
What is the meaning of passivity?
Receiving or subjected to an action
The product of an object's rotational inertia and its rotational velocity is?
The product of an object's rotational inertia and its rotational velocity is called angular momentum. It is a conserved quantity in a closed system, meaning it remains constant unless acted upon by an external torque.
Does all the planet stay in its orbit as it revolve to the sun?
Unless acted on by an external force, yes.
