9th Class Science Work and energy Question Bank 9th CBSE Science Work and energy

  • question_answer
                   Does the transfer of energy take place when you push a huge rock with all your might and fail to move it? Where is the energy you spend going?      

    Answer:

                   When we push a huge rock, then the rock also exerts a huge force on us (according to Newton's third law of motion). The muscular energy spent by us in the process is used to oppose the huge force acting on us due to the rock. 


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