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How to Visualize Electric Fields

The work done...

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The work done in moving a particle from (1,1) to (2,3) in a plane in force field with potential U=k(x+y) is

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Q. The potential energy function of a particle in the

x - y

plane is given by

U = k (x + y)

k

is a constant. The work done by the conservative force in moving a particle from

(1, 1)

(2, 3)

:

Q. A particle moving in a conservative force field from point

A

B

U_{A}

U_{B}

are the potential energies of the particle at the point

A

B

W_{c}

is the work done by conservative forces in the process of taking the particle from

A

B

:

\to F = y^i + x^j

acting on a particle then find the work done in moving the particle from position

(2, 3)

(5, 6)

Q. A particle is taken from point A to point B under the influence of a force field. Now it is taken back from B to A and it is observed that the work done in taking the particle from A to B is not equal to the work done in taking it from B to A. If

W_{n c}

W_{c}

are work done by non-conservative and conservative forces present in the system, respectively,

Δ U

is the change in potential energy and

Δ K

is the change in kinetic energy, then

\to F = [y^i + x^j] N

acts on a particle moving in

x - y

plane starting from the point

(3, 5) m

, the particle is taken along a straight line to

(5, 7) m

. The work done by the force( in

J

upto two decimals) is:

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