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When work is done by an external force, the system will have more energy in it than it did before.

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Michael Scalise

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4y ago

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How much work is done by the force F on the two-block system?

The work done by the force F on the two-block system is equal to the force multiplied by the distance the force moves the system.


What isolated system is one which is not subject to any force?

An isolated system that is not subject to any external forces is one where the total mechanical energy remains constant. This system obeys the law of conservation of energy, with no external work being done on it. An example could be a satellite orbiting the Earth in a vacuum.


How to calculate the work done by friction in a given system?

To calculate the work done by friction in a system, you can use the formula: Work Force of friction x Distance. First, determine the force of friction acting on the object. Then, multiply this force by the distance the object moves against the frictional force. This will give you the work done by friction in the system.


Differentiate batween the work done on the body and work done by the body?

note: Work done is = force applied to a body * time taken by the body When we apply a force on to an object such that the object displaced in the direction of force, then some unit of work is done on the body. When a body sets another body into motion by applying a force, in unit time, that body is considered as it had done a unit of work


What is the relationship between heat added to a system and the internal energy and external work done by the system-?

When heat is added to or is absorbed by a system, its internal energy increases. The amount of external work a system can do essentially refers to the amount of energy it can transfer to something else. So when internal energy increases, so does the external work done by the system.

Related Questions

Is there work done when an asteroid moves in space with the absence of external force?

Work is equal to Force x Distance. If no force is applied, no work is done.


How much work is done by the force F on the two-block system?

The work done by the force F on the two-block system is equal to the force multiplied by the distance the force moves the system.


What isolated system is one which is not subject to any force?

An isolated system that is not subject to any external forces is one where the total mechanical energy remains constant. This system obeys the law of conservation of energy, with no external work being done on it. An example could be a satellite orbiting the Earth in a vacuum.


How to calculate the work done by friction in a given system?

To calculate the work done by friction in a system, you can use the formula: Work Force of friction x Distance. First, determine the force of friction acting on the object. Then, multiply this force by the distance the object moves against the frictional force. This will give you the work done by friction in the system.


Differentiate batween the work done on the body and work done by the body?

note: Work done is = force applied to a body * time taken by the body When we apply a force on to an object such that the object displaced in the direction of force, then some unit of work is done on the body. When a body sets another body into motion by applying a force, in unit time, that body is considered as it had done a unit of work


What is the relationship between heat added to a system and the internal energy and external work done by the system-?

When heat is added to or is absorbed by a system, its internal energy increases. The amount of external work a system can do essentially refers to the amount of energy it can transfer to something else. So when internal energy increases, so does the external work done by the system.


If you push a box forward and the box moves forward you have done how much work?

You have only done as much external work on the box as the distance it moves: work = force x distance. If it does not budge no work is done on the object. You have done "internal" work on your muscles which converts to heat energy, but technically speaking, no external work is done on the object


Is the work done on a system negative in the given scenario?

In the given scenario, if the force applied to the system is opposite to the direction of the displacement, then the work done on the system is negative.


Can work done be negative in a physical system?

Yes, work done can be negative in a physical system when the force applied is in the opposite direction of the displacement.


What force allows work to be done?

Any force can produce work if it causes displacement. If displacement is in opposite direction of force, work done will be negative and if displacement is in direction of force work done will be positive. If there is no displacement, work done is zero. Eg: Gravitational force pulls you down towards earth, in pulling you down it does work on you which gets stored in form of potential energy. Energy for A+


What is work done by a force in a mechanical system called?

The work done by a force in a mechanical system is called mechanical work. It is the transfer of energy when a force acts on an object to move it over a distance. Work is calculated as the product of the force applied and the distance moved in the direction of the force.


Do all forces of an object cause work to be done?

No, work is only done by a force when there is displacement in the direction of the force. Forces that do not cause any displacement, such as static friction or normal force, do not do work on an object.