STATEMENT-1 A block of mass $m$ starts moving on a rough horizontal surface with a velocity $v$. It stops due to friction between the block and the surface after moving through a certain distance. The surface is now tilted to an angle of $30^\circ$ with the horizontal and the same block is made to go up on the surface with the same initial velocity $v$. The decrease in the mechanical energy in the second situation is smaller than that in the first situation. because STATEMENT-2 The coefficient of friction between the block and the surface decreases with the increase in the angle of inclination. (A) Statement-1 is True, Statement-2 is True; Statement-2 is a correct explanation for Statement-1 (B) Statement-1 is True, Statement-2 is True; Statement-2 is NOT a correct explanation for Statement-1 (C) Statement-1 is True, Statement-2 is False (D) Statement-1 is False, Statement-2 is True
STATEMENT-1
A block of mass $m$ starts moving on a rough horizontal surface with a velocity $v$. It stops due to friction between the block and the surface after moving through a certain distance. The surface is now tilted to an angle of $30^\circ$ with the horizontal and the same block is made to go up on the surface with the same initial velocity $v$. The decrease in the mechanical energy in the second situation is smaller than that in the first situation.\\
because\\
STATEMENT-2\\
The coefficient of friction between the block and the surface decreases with the increase in the angle of inclination.\\
(A) Statement-1 is True, Statement-2 is True; Statement-2 is a correct explanation for Statement-1\\
(B) Statement-1 is True, Statement-2 is True; Statement-2 is NOT a correct explanation for Statement-1\\
(C) Statement-1 is True, Statement-2 is False\\
(D) Statement-1 is False, Statement-2 is True