Work, Power and EnergyHard
Question
A constant force F is applied to a body of mass m moving with initial velocity u. If after the body undergoes a displacement S its velocity becomes v, then the total work done is
Options
A.m[v2 + u2]
B.
[u2 + v2]
C.
[v2 - u2]
D.m[v2 - u2]
More Work, Power and Energy Questions
A body of mass 6 kg under a force which causes displacement in it given ′S = ′ metres where ′t′ ...An ideal heat engine working between temperature T1 and T2 has an efficiency η, the new effciency if both the sourc...A man of mass m standing at the bottom of the staircase of height L climbs it and stands at its top...The potential energy of a particle of mass 1 kg in motion along the x-axis is given by : U = 4(1 - cos2x)J, where x is i...The maximum velocity of an electron emitted by light of wevelength λ indent on the surface of a metal of work - fun...