Question 11 MarkA ball thrown from a balcony possesses kinetic energy.AnswertrueView full question & answer→
Question 21 MarkThe energy stored in an object due to its raised position is known as elastic potential energy.AnswerFalse.Correct : The energy stored in an object due to its raised position is known as gravitational potential energy.View full question & answer→
Question 31 MarkKinetic energy of an object depends on its mass and velocity.AnswertrueView full question & answer→
Question 41 MarkKinetic energy of an object is the energy stored in it.AnswerFalse.Correct : Potential energy of an object is the energy stored in it.View full question & answer→
Question 51 MarkMechanical energy is of two types $–$ potential energy and kinetic energy.AnswertrueView full question & answer→
Question 61 MarkPower and energy means the same.AnswerFalse.Correct : Energy is the capacity to do work whereas power is the rate of doing work.View full question & answer→
Question 71 MarkElectrical energy can be considered as a type of kinetic energy.AnswertrueView full question & answer→
Question 81 MarkRoller coaster ride is an example of transformation of energy between potential and kinetic energy.AnswertrueView full question & answer→
Question 91 MarkThe sum of potential and kinetic energy keeps changing for any system.AnswerFalse.Correct : The sum of potential and kinetic energy remains the same for any system.View full question & answer→
Question 101 MarkEnergy can easily be created.AnswerFalse.Correct : Energy can neither be created nor be destroyed.View full question & answer→
Question 111 MarkWhen you climb up the stairs, your potential energy increases.AnswertrueView full question & answer→
Question 121 MarkIf a car and a motorcycle are running at the same speed, then both will have the same kinetic energy.AnswerFalse.Correct : If a car and a motorcycle are running at the same speed, then both will have different energy because they have different mass.View full question & answer→
Question 131 MarkWork is said to be done only if a force is applied on a body.AnswerFalse.Correct : Work is said to be done only if a force is applied on a body displaces it.View full question & answer→