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Sahay Sir > Question Answers > MTG NEET Physics > Part 1 > Chapter 6 - Work, Energy and Power > A block of mass 1 kg is projected with initial velocity (V0) of 10 m/s on a rough inclined surface. The block moves up and come back to its initial position and stops. Find the work done by the friction on the block.

A block of mass 1 kg is projected with initial velocity (V0) of 10 m/s on a rough inclined surface. The block moves up and come back to its initial position and stops. Find the work done by the friction on the block.

The work done by a force F→=(−6x^3iˆ) N in displacing a particle from x = 4m to x = - 2m is