Which of the following is a nonconservative force?Group of answer choicesgravitational forceelectric forcenormal forcestrong nuclear force
Question
Which of the following is a nonconservative force?Group of answer choicesgravitational forceelectric forcenormal forcestrong nuclear force
Solution 1
The nonconservative force among the options provided is the normal force.
Here's why:
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Gravitational force: This is a conservative force because the work done by or against it is independent of the path taken. For example, if you lift a book and then lower it back down, the net work done by gravity is zero.
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Electric force: This is also a conservative force. The work done in moving a charge between two points in an electric field is independent of the path taken.
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Normal force: This is a nonconservative force. The work done by the normal force depends on the path taken. For example, if you push a box up a ramp (as opposed to lifting it straight up), the normal force does more work.
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Strong nuclear force: This is a conservative force. The work done in moving a particle in a nuclear force field is independent of the path taken.
Solution 2
The nonconservative force among the options provided is the normal force.
Here's why:
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Gravitational force: This is a conservative force because the work done by or against it is independent of the path taken. For example, if you lift a book and then lower it back down, the net work done by gravity is zero.
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Electric force: This
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