A small block of mass m is kept on a rough inclined surface of inclination `theta` fixed in an elevator. The elevator goes up with a uniform velocity v and te block does not slide n te wedge. The work done by the force of friction on the block in time t will be

A small block of mass m is kept on a rough inclined surface of inclination theta fixed in an elevator. The elevator goes up with a uniform velocity v and the block does not slide on the wedge. The work done by the force of friction on the block in time t will be

A small block of mass m is kept on a rough inclined surface of inclination theta fixed in an elevator. The elevator goes up with a uniform velocity v and the block does not slide on the wedge. The work done by the force of friction on the block in time t will be

A small block of mass m is kept on a rough inclined surface of inclination theta fixed in an elevator. The elevator goes up with a uniform velocity V and the block does not slide on the wedge. The work done by the force of friction on the block in a time t will be

A small block of mass m is kept on a rough inclined surface of inclination theta in an elevator.Th elevator goes up with a uniform velocity v and the block does not slide on the wedge.The work done by the force of friction on the block in time t as seen by the observer on the inclined plane will be

A small block of mass m is kept on a rough inclined surface of inclination theta fixed in a car. The car moves with a uniform velocity v and the block does not slide on the wedge. The work done by the force of friction on the block in time t will be

A small block of mass m is kept on a rough inclined surface of inclination theta fixed in a car. The car moves with a uniform velocity v and the block does not slide on the wedge. The work done by the force of friction on the block in time t will be

A small block of mass 1 kg is kept on a rough inclined wedge of inclination 45^@ fixed in an elevator. The elevator goes up with a uniform velocity v=2 m//s and the block does not slide on the wedge. Find the work done by the force of friction on the block in 1s . (g=10 m//s^(2))

A small block of mass 1 kg is kept on a rough inclined wedge of inclination 45^@ fixed in an elevator. The elevator goes up with a uniform velocity v=2 m//s and the block done not slide on the wedge. Find the work done by the of friction on the block in 1s . (g=10 m//s^(2))

A small block of mass 2kg is kept on a rough inclined surface of inclination theta=30^@ fixed in a lift. The lift goes up with a uniform speed of 1ms^-1 and the block does not slide relative to the inclined surface. The work done by the force of friction on the block in a time interval of 2s is