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Conservative And Non-conservative Forces - Practice Questions & MCQ
Edited By admin | Updated on Sep 18, 2023 18:34 AM | #JEE Main
Quick Facts
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9 Questions around this concept.
Solve by difficulty
If W1, W2 and W3 represent the work done in moving a particle from A to B along three different paths 1, 2 and 3 respectively (as shown) in the gravitational field of a point mass m, find the correct relation :
Two cylindrical vessels of equal cross-sectional area $16 \mathrm{~cm}^2$ contain water up to heights 100 cm and 150 cm respectively. The vessels are interconnected so that the water levels in them become equal. The work done by the force of gravity during the process is:
[Take, density of water $=10^3 \mathrm{~kg} / \mathrm{m}^3$ and $\mathrm{g}=10 \mathrm{~ms}^{-2}$ ] :
Choose the correct relation between force actions and the corresponding conservative force field.
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Work done along a closed path will be zero for following forces.
Which of the following are non - conservative force
Concepts Covered - 1
Work Done in Conservative and Non-Conservative Field
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Conservative field-
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In the conservative field, work done by the force depends only upon the initial and final position.
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In the conservative field, work done by the force does not depend on the path.
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In the conservative field, work done by the force along a closed path is zero.
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Conservative force-
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The forces of these type of fields are known as conservative forces.
Example: Electrostatic forces, gravitational forces, the spring force
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Non-Conservative field-
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In Non- conservative field, work done by the force depends on the path followed between any two positions/points.
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In Non-conservative field, work done by the force along a closed path is non-zero.
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Non-Conservative Force-
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The forces corresponding to Non-Conservative field are known as non-conservative forces.
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Non-Conservative Force is dissipative.
Example: Frictional force, Viscous force
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