Class 9 / Physics / Work and Energy / Work

NOT MUCH ‘WORK’ IN SPITE OF WORKING HARD!

NOT MUCH ‘WORK’ IN SPITE OF WORKING HARD! What is work? There is a difference in the way we use the term ‘work’ in day-to-day life and the way we use it in science. To make

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Class 9 / Physics / Work and Energy / Work

SCIENTIFIC CONCEPTION OF WORK

SCIENTIFIC CONCEPTION OF WORK To understand the way we view work and define work from the point of view of science, let us consider some situations: Push a pebble lying on a surface. The pebble

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Class 9 / Physics / Work and Energy / Work

WORK DONE BY A CONSTANT FORCE

WORK DONE BY A CONSTANT FORCE How is work defined in science? To understand this, we shall first consider the case when the force is acting in the direction of displacement.   Let a cons

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