FILL IN THE BLANKS.
1.A FRICTIONAL FORCE ALWAYS TENDS TO___THE MOTION OF  A BODY.
2.SOLE OF THE SHOE IS GROOVED TO____THE FRICTION.

Dear student,

Please find below the solution to the asked query:
FILL IN THE BLANKS:- 

1). A frictional force always tends to Opposite the motion of a body.

2). Sole of the shoe is grooved to increase the friction .

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