Question

movement of a chalk on a black board while writing is which type of motion

Answer 1

there will be a frictional force

Answer 2

---------------HEY DEAR-------------------------------------------------------

HERE IS YOUR ANSWER.............

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WHEN WE WRITE ON BLACKBOARD WITH CHALK THEN IT IS FRICTION MOTION AS FRICTION IS THERE WHICH HELP US TO WRITE SMOOTHLY  AND FRICTION ALWAYS OPPOSES THE MOTION....

HOPE IT HELPS YOU..

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THANKS..