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Two objects of equal mass rest on the op...

Two objects of equal mass rest on the opposite pans of an arm balance. Does the scale remain balance when it is accelerated up or down in a life ?

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Yes, since both masses experience equal fictitious forces in magnitude as well as direction.
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ALLEN-NEWTONS LAWS OF MOTION-EXERCISE-III
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  8. Assertion: Static frictional force is a self adjusting force. Reason...

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  9. Assertion : A body can be at rest even when it is under the action of ...

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  10. Assertion: Frictional force is the component of contact force parallel...

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  12. These questions consists of two statements each printed as Assertion a...

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  13. Assertion: Pseudo force is an imaginary force which is recongnised on...

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  14. Assertion: A table cloth can be pulled from a table without dislodding...

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  15. Assertion: Friction is a self-adjusting force. Reason: A block on th...

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  16. Assertion: The apparent weight of a person standing in a lift which mo...

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