/10 Report a question What's wrong with this question? You cannot submit an empty report. Please add some details. 12345678910 Chapter 10 : Work and Energy This Quiz Contains a set of 10 Questions. The Passing Cut-off is 60%. To start the Quiz, click on the Start Button. All the Best! 1 / 10 A machine doing work faster has: Less power More power Same power Zero power 2 / 10 A person holds a 10 kg bag for 5 minutes without moving. Work done by the person on the bag is: 0 J 10 J 50 J 500 J 3 / 10 Work done by gravity when a body falls is: Negative Positive Zero Infinite 4 / 10 A force of 10 N moves an object by 5 m in the same direction. Work done is: 15 J 50 J 5 J 2 J 5 / 10 Formula for gravitational potential energy is: mv² ½mv² mg mgh 6 / 10 Energy possessed by a body due to motion is called: Potential energy Kinetic energy Mechanical energy Chemical energy 7 / 10 Electrical energy in homes measured in: Joule Newton kWh Watt 8 / 10 The law of conservation of energy applies to: Only mechanical systems Only living organisms All physical processes Only electrical systems 9 / 10 The kinetic energy of a 2 kg body moving at 5 m/s is: 25 J 10 J 50 J 20 J 10 / 10 If velocity doubles, kinetic energy becomes: Double Four times Half Same Your score is 0% Restart quiz
