Work,Power and Energy (Test 2) Work,Power and Energy (Test 2) 1 / 10A body of mass 4 kg is moving with velocity 3 m/s. Its kinetic energy is: 6 J 12 J 18 J 24 J 2 / 10Work done by gravity on a freely falling object is: Positive Negative Zero Infinite 3 / 10Which of the following is a scalar quantity? Force Work Velocity Acceleration 4 / 10A man pushes a wall but it does not move. The work done is: Maximum Zero Negative Infinite 5 / 10The energy possessed by a body due to its motion is: Potential energy Thermal energy Kinetic energy Chemical energy 6 / 10If velocity of a body is doubled, its kinetic energy becomes: Half Double Four times Same 7 / 10A body is thrown vertically upward. At the highest point, its Kinetic energy is maximum Potential energy is zero Kinetic energy is zero Total energy is zero 8 / 10The unit of energy in the SI system is: Calorie Erg Joule Watt 9 / 10A 60 kg person runs up a staircase of height 5 m in 10 s. Power developed is: 300 W 600 W 150 W 100 W 10 / 10Which of the following is not a form of mechanical energy? Kinetic energy Potential energy Sound energy Elastic energy Your score isThe average score is 0% 0% Restart quiz
