The force is acting along the direction of displacement of luggage
The force is acting perpendicular to the direction of displacement of luggage
The force is acting opposite to the direction of displacement of luggage
None of these
Centripetal force acts in the direction of motion of the body
Centripetal force acts along the radius of circular path
Gravitational force acts along the radius of circular path
Centrifugal force acts perpendicular to the radius of circular path
Becomes twice to that of the initial
Becomes four times to that of the initial
Remains the same
Becomes 16 times to that of the initial
Both kinetic and potential energy
Kinetic energy and electrical energy
Potential energy and kinetic energy
Potential energy and electrical energy
Kinetic energy and potential energy
Kinetic + Potential energy
Only kinetic energy
Half kinetic and half potential energy
Only potential energy
More kinetic and less potential energy
Angle between force and displacement
Initial velocity of the object
Sound energy into mechanical energy in stereo system.
Sound energy into electrical energy in public address system.
Electrical energy into sound energy in ordinary telephone.
Microwave energy into sound energy in a mobile phone.
Both a and b
Both b and c