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Column II shows five systems in which two objects are labelled as X and Y. Also in each case a point P is shown. Column I gives some statements about X and/or Y. Match these statements to the appropriatesystem(s) from Column II.Column – I Column-- II

A. The force exerted by X on Y has a magnitude Mg. (p) Y X P Block Y of mass M left on a fixed inclined plane X, slides on it with a constant velocity.
B. The gravitational potential energy of X is continuously increasing.
C. Mechanical energy of the system X + Y is continuously decreasing.
D. The torque of the weight of Y about point P is zero.
Answer» B. The gravitational potential energy of X is continuously increasing.


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