To keep a particle (body) moving with constant velocity on a moving with constant velocity on a frictionless horizontal surface anexternal forcea) should act continuouslyc) should not actmoment of inertib) should be a variable forced) should act opposite to the direction of motionPLEASE SAY THE ANSWER...PLEASE

To keep a particle (body) moving with constant velocity on a moving

1.	To keep a particle (body) moving with constant velocity on a moving with constant velocity on a frictionless horizontal surface anexternal forcea) should act continuouslyc) should not actmoment of inertib) should be a variable forced) should act opposite to the direction of motionPLEASE SAY THE ANSWER...PLEASE
Answer» LD ACT OPPOSITE to the DIRECTION of MOTION

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