Work, Power and EnergyHard
Question
A uniform chain of length L and mass M is lying on a smooth table and 
of its length is hanging down over the edge of the table. If g is the acceleration due to gravity, the work done to pull the hanging part on the table is :-
of its length is hanging down over the edge of the table. If g is the acceleration due to gravity, the work done to pull the hanging part on the table is :-Options
A.MgL
B.
C.
D.
More Work, Power and Energy Questions
A sphere of mass m moving with a constant velocity collides with another stationary sphere of same mass. The ratio of ve...An object of mass 0.2 kg executes simple harmonic motion along x-axis with frequency of 25/π Hz. At the position x ...An engine pump is used to pump a liquid of density ρ continuously through a pipe of cross-sectional area A. If the ...The graph between and is (EK = kinetic energy and p = momentum) −...A block of mass 0.50 kg is moving with a speed of 2.00 m/s on a smooth surface. It strikes another mass of 1.00 kg and t...