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Standard XII

Physics

Thermodynamic Processes

The potential...

Question

The potential energy function of a particle in the $x - y$ plane is given by $U = k (x + y)$ , where $k$ is a constant. The work done by the conservative force in moving a particle from (1, 1) to (2, 3) is

- 3 k

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Solution

The correct option is C $- 3 k$
Work done by conservative force
$= - Δ U$
$= U_{i} - U_{f}$
$= [k (1 + 1)] - [k (2 + 3)]$
$= - 3 k$

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The potential energy function of a particle in the x−y plane is given by U=k(x+y), where k is a constant. The work done by the conservative force in moving a particle from (1, 1) to (2, 3) is

The correct option is C −3kWork done by conservative force=−ΔU=Ui−Uf=[k(1+1)]−[k(2+3)]=−3k

The potential energy function of a particle in the $x - y$ plane is given by $U = k (x + y)$ , where $k$ is a constant. The work done by the conservative force in moving a particle from (1, 1) to (2, 3) is

The correct option is C $- 3 k$
Work done by conservative force
$= - Δ U$
$= U_{i} - U_{f}$
$= [k (1 + 1)] - [k (2 + 3)]$
$= - 3 k$