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because angle between r n F is zero, both r parallel.
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∙ 11y ago
The torque produced by centripetal force is zero because the force is acting perpendicular to the radius of rotation. Torque is calculated as the force multiplied by the distance from the axis of rotation, and when the force and distance are perpendicular to each other, the torque becomes zero.
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Why centripetal force can not produce torque?
Centripetal force only acts towards the center of rotation to keep an object moving in a circular path. Torque, on the other hand, causes rotation by applying a force at a distance from the axis of rotation, resulting in angular acceleration. While centripetal force changes the direction of motion, torque changes the rotational motion of an object.
How it is possible for a large force to produce only a small or even zero torque?
A large force can produce a small or zero torque if the force is applied at a point where the lever arm (distance from the point of rotation to the line of action of the force) is very small or zero. Torque is calculated as force multiplied by lever arm, so a small lever arm can result in a small or zero torque even with a large force.
Can a force produce a torque when there is no lever arm?
No, a torque is produced when a force is applied at a distance from an axis of rotation. If there is no lever arm (distance from the axis of rotation), the force will not create a torque.
Why work done by centripetal force during half rotation is zero?
The centripetal force always acts perpendicular to the displacement of the object moving in a circular path. Since the work done is the product of force and displacement in the direction of force, and the displacement is perpendicular to the centripetal force, the work done by the centripetal force over a full rotation is zero.
Is there any torque if force is zero?
No, torque is the product of a force and a distance from a pivot point. If the force is zero, there will be no torque acting on the object.
Why centripetal force can not produce torque?
Centripetal force only acts towards the center of rotation to keep an object moving in a circular path. Torque, on the other hand, causes rotation by applying a force at a distance from the axis of rotation, resulting in angular acceleration. While centripetal force changes the direction of motion, torque changes the rotational motion of an object.
How it is possible for a large force to produce only a small or even zero torque?
A large force can produce a small or zero torque if the force is applied at a point where the lever arm (distance from the point of rotation to the line of action of the force) is very small or zero. Torque is calculated as force multiplied by lever arm, so a small lever arm can result in a small or zero torque even with a large force.
Can a force produce a torque when there is no lever arm?
No, a torque is produced when a force is applied at a distance from an axis of rotation. If there is no lever arm (distance from the axis of rotation), the force will not create a torque.
Is Work done by centripetal force is zero?
An object moves in a circle at constant speed. The work done by the centripetal force is zero because: 1. the displacement for each revolution is zero 2. the average force for each revolution is zero 3. there is no friction 4. the magnitude of the acceleration is zero 5. the centripetal force is perpendicular to the velocity
Why does work done by centripetal force is zero?
An object moves in a circle at constant speed. The work done by the centripetal force is zero because: 1. the displacement for each revolution is zero 2. the average force for each revolution is zero 3. there is no friction 4. the magnitude of the acceleration is zero 5. the centripetal force is perpendicular to the velocity
Why work done by centripetal force during half rotation is zero?
The centripetal force always acts perpendicular to the displacement of the object moving in a circular path. Since the work done is the product of force and displacement in the direction of force, and the displacement is perpendicular to the centripetal force, the work done by the centripetal force over a full rotation is zero.
When A force of 5 newton is acting parallel to the moment arm of 10 cm . so what is torque?
In order for a force to produce a torque, either all of it, or a part of it (component) must act perpendicular to the moment arm. If, as in your case, all of the force is parallel to the moment arm then the force can not produce a torque. So the answer is; the torque is zero.
Centrifugal force is reactionary force of centripetal force?
Yes true. But they need not be got cancelled though their resultant is zero.
Is there any torque if force is zero?
No, torque is the product of a force and a distance from a pivot point. If the force is zero, there will be no torque acting on the object.
How do you Convert Torque Nm to Force N?
Torque T=Nmsin x, thus Force N=T/msin x. If sin x is zero Torque is zero and Force is zero.
Why is the workdone by centripetal force is zero?
The work done by a centripetal force is zero because the force is always directed towards the center of the circular motion, while the displacement is perpendicular to the force. This means that the angle between the force and the displacement is 90 degrees, resulting in zero work being done.
Give an example of a case when the resultant force is zero but resultant torque is not zero?
A couple.
