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In which of the following states does a body possess kinetic energy?(a) Rest(b) Motion(c) When placed on a platform(d) In zero gravityI have been asked this question by my school principal while I was bunking the class.I need to ask this question from Introduction to Motion in a Straight Line in section Motion in a Straight Line of Physics – Class 11

Answer»

Right answer is (b) Motion

For explanation: The BODY moves in the state of motion. HENCE it has a VELOCITY and so KINETIC energy. Kinetic energy = (1/2)mv^2.



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