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21
In ideal machines, mechanical advantage is __________ velocity ratio.
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Answer: Option A
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22
Tension in the cable supporting a lift is more when the lift is moving __________ with an acceleration.
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Answer: Option A
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23
The amplitude is always __________ radius of the circle.
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Answer: Option A
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24
The bodies which rebound after impact are called
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Answer: Option B
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25
The forces which meet at one point, but their lines of action __________ on the same plane, are Known as non-coplanar concurrent forces.
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Answer: Option B
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26
Work done is said to be zero, when
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Answer: Option C
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27
The friction experienced by a body, when in motion, is known as
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Answer: Option B
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28
The acceleration of a body sliding down an inclined surface is
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Answer: Option A
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