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Second Law of Motion

A particle mo...

Question

A particle moves along a straight-line path. After some time, it comes to rest. The motion is with constant acceleration whose direction with respect to the direction of velocity is:

A

negative throughout motion

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B

positive throughout motion

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C

first positive than negative

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D

first negative than positive

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Solution

The correct option is A negative throughout motion
Here velocity is decreasing, so particle is retarded, or acceleration is opposite to the direction of motion.

Hence, acceleration will be negative with respect to the direction of velocity till it comes to rest.

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Second Law of Motion

Standard XII Physics

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