H.S.C 2025 ( MOST EXPECTED QUESTIONS )
PHYSICS
CHAPTER 1 (ROTATIONAL DYNAMICS)
DIFFERENCE BETWEEN CENTRIPETAL FORCE & CENTRIFUGAL FORCE.
DEFINE UNIFORM CIRCULAR MOTION
OBTAIN THE RELATION BETWEEN MAGNITUDE OF LINEAR AND ANGULAR ACCELERATION IN UCM (2M)
WHAT IS THE VALUE OF TANGENTIAL ACCELERATION IN UCM (1M)
EXPLAIN THE CONCEPT OF CENTRIPITAL FORCE (2M)
NAME THE FORCES ACTING ON A BODY PERFORMING NON UCM (2M)
OBTAIN AN EXPRESSION FOR MAXIMUM SAFE SPEED FOR A VEHICLE ON A BANKED ROAD (3M)
IF THE FRICTION IS MADE ZERO CAN THE VEHICLE MOVE SAFELY ON THE ROAD (1M)
DERIVE AN EXPRESSION FOR TIME PERIOD OF CONICAL PENDULUM (3M)
FOR A CONICAL PENDULUM PROVE THAT TAN 0
DERIVE EXPRESSIONS FOR LINEAR VELOCITY AT LOWEST POINT, MIDWAY AND TOP POSITION, FOR A PARTICLE REVOLVING IN A VERTICAL CIRCLE IF IT HAS TO COMPLETE JUST CIRCULAR MOTION
OR
USING ENERGY CONSERVATION DERIVE EXPRESSIONS FOR LINEAR VELOCITY AT LOWEST POINT, MIDWAY AND TOP POSITION, FOR A PARTICLE REVOLVING IN A VERTICAL CIRCLE IF IT HAS TO COMPLETE JUST CIRCULAR MOTION (VCM)
DEFINE MOMENT OF INERTIA OF A RIGID BODY. STATE ITS SI UNIT AND DIMENSIONS
WHAT IS RADIUS OF GYRATION? WRITE ITS PHYSICAL SIGNIFICANCE (2M)
DERIVE AN EXPRESSION FOR KINETIC ENERGY OF A ROTATING BODY WITH UNIFORM ANGULAR SPEED
SHOW THAT K.E OF A ROTATING BODY IS EQUAL TO 1/2L.W, L IS ANGULAR MOMENTUM
STATE THE FORMULA FOR MOMENT OF INERTIA OF A SOLID SPHERE ABOUT AN AXIS PASSING THROUGH ITS CENTRE
STATE AND PROVE THE PRINCIPLE OF CONSERVATION OF ANGULAR MOMENTUM. WITH EXAMPLE.
OBTAIN AN EXPRESSION FOR TORQUE IN TERMS OF MOMENT OF INERTIA
EXPRESSION FOR TORQUE ACTING ON A BODY WITH UNIFORM ANGLUAR ACCELARATION.
OBTAIN AN EXPRESSION FOR MI OF SOLID UNIFORM DISC AXIS PASSING THROUGH CENTER AND PERPENDICULAR TO THE PLANE (3M)
OBTAIN AN EXPRESSION
FOR KINETIC ENERGY OF A BODY PERFORMING ROLLING MOTION OR A ROLLING BODY
STATE AND PROVE THE THEOREM OF PARALLEL AXIS (4M)
STATE AND PROVE PERPENDICULAR AXIS THEOREM
SPHERE OF DEATH