(A) : A body of mass 10 kg is placed on a rough inclined surface (mu = 0.7) . The surface is inclined to horizontal at angle 30^(@) . Acceleration of the body down the plane will be zero . (R) : Work doneagainst friction always converts to heat .

(A) : A body of mass 10 kg is placed on a rough inclined surface (mu =

1.	(A) : A body of mass 10 kg is placed on a rough inclined surface (mu = 0.7) . The surface is inclined to horizontal at angle 30^(@) . Acceleration of the body down the plane will be zero . (R) : Work doneagainst friction always converts to heat .
Answer» If both A and R are TRUE and R is the correct explanation of A . If both A and R are true but R is not correct explanation of A . If A is false but R is false . If A is false but R is true Answer :B