List of top Physics Questions on Work and Energy asked in CET Delhi Polytechnic

Maximum work is done, when the angle between force and displacement is :
An object of mass 2 Kg is lifted up to height 2 m. The work done will be :
Two objects of masses 1 kg and 3 kg have equal momentum. What is the ratio of their kinetic energies ?
1 kWh = _____.
An object of mass 15 kg is moving with a uniform velocity of \(4 \text{ ms}^{-1}\). What is the kinetic energy possessed by the object ?