The acceleration of a body increases by 1 ms^-1 When the surfaces in contact one lubricated.

The acceleration of a body increases by 1 ms^-1 When the surfaces in contact one lubricated. If same force is applied before and after lubrication and coefficient of friction reduces to half due to lubrication, coefficient of friction before lubrication is

(1) g

(2) 1/g

(3) 2/g

(4) none

The acceleration of a body increases by 1 ms^-1 When the surfaces in contact one lubricated.

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