The gravitational field in a region is given by . Work done by this field is zero when a particle is moved along the line |
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a) |
b) |
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The gravitational field in a region is given by . Work done by this field is zero when a particle is moved along the line |
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a) |
b) |
c) |
d) |

1 Answer

5876 Votes

3537

Work done by the gravitational field is zero, when displacement is perpendicular to gravitational field. Here, gravitational field, if is the angle which makes with positive -axis, then or If is the angle which the line makes with positive -axis, then so the line is perpendicular to |

18 |
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(a) |
3.5 |
(b) |
4.5 |
(c) |
6 |
(d) |
7 |

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