Class 11PhysicsWork, Energy, Power and CollisionConservative and Non-Conservative forces and Potential Energy
MediumGive examples of a conservative force and a non-conservative force.
(N/A) conservative force is a force with the property that the total work done in moving a particle between two points is independent of the path taken. Examples include: $1$. Gravitational force,$2$. Electrostatic force,$3$. Spring force (elastic force).
$A$ non-conservative force is a force for which the work done depends on the path taken. Examples include: $1$. Frictional force,$2$. Viscous force,$3$. Air resistance.
$A$ non-conservative force is a force for which the work done depends on the path taken. Examples include: $1$. Frictional force,$2$. Viscous force,$3$. Air resistance.
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Similar Questions
Given below are two statements: one is labelled as Assertion $A$ and the other is labelled as Reason $R$.
Assertion $A$: In a central force field,the work done is independent of the path chosen.
Reason $R$: Every force encountered in mechanics does not have an associated potential energy.
In the light of the above statements,choose the most appropriate answer from the options given below:
Assertion $A$: In a central force field,the work done is independent of the path chosen.
Reason $R$: Every force encountered in mechanics does not have an associated potential energy.
In the light of the above statements,choose the most appropriate answer from the options given below:
The potential energy $U$ between two molecules as a function of distance $x$ between them is shown. $A, B, C$ are points for which $x = 0.6 \mathring{A}, 1.2 \mathring{A}, 1.8 \mathring{A}$ respectively. At $A, B, C$,the force between the two molecules is:
Medium
View SolutionDefine conservative forces. What are the properties of conservative forces?
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View SolutionProve $F = - \frac{dV}{dx}$ for a conservative force.
Difficult
View SolutionThe potential energy of an object of mass $m$ moving in the $xy$ plane in a conservative field is given by $U = ax + by$,where $x$ and $y$ are position coordinates of the object. Find the magnitude of its acceleration.
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