Work done in bringing down through an inclined plane: Let a body of mass ‘m’ move from point A to B through a polished inclined plane. If g is C acceleration due to gravity, then…

Work Done by the Force If a force is applied on a moving football along its direction of motion, then the football moves towards the direction of the force. When a mango falls on the…

Work done against the force A person has lifted a bag of rice on his head from the ground. Again, a book has been lifted in the bookshelf from the floor or a table. In…

Causes for Work Done and Work not Done (i) Earth is rotating around the sun, the direction of displacement of the earth at any time is along the tangent of the arc [Fig]. But the…

Graphical representation of work A graph is drawn by taking component of applied force along y-axis and displacement along x-axis {Fig (a)]. Area underneath this graph is equal to work done. If the applied force…

Concept of Work If there is displacement of a body due to application of force only then work is done. For example, a book is allowed to fall from the table to ground. A person…