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    				| 1. | L, A body of mass 2 kg is placed onahorizontalsurfacehaving kinetic friction 0.4 and static friction 0.5. If the forceapplied on the body is 2.5 N, then the frictional force actingon the body will be [g- 10 ms2](a) 8N (b) 10 N (c) 20N (d) 2.5N | 
| Answer» Minimum force required = Limiting friction= μN= μmg= 0.5 * 2 * 10= 10 N 17.Limiting friction = 10 NExternal force = 10 NNet force = 0Acceleration = 0 If net force is 0 then it means body is moving with constant velocity (a = 0). | |