For degree students of b.Sc. Of all indian universities. Table of contents: units and dimensions l motion along a curve lthe projectile moment of inertia lgyroscopic motion l simple harmonic motion l measurement of mass the balance l acceleration due to gravity l gravitation l elasticity l hydrostatics l jet planes, rockets and satellites l friction and lubrication-principle of virtual work and its simple applications l flow of liquids l viscosity l diffusion and osmosis l surface tension-capillarity l gases-kinetic theory l special theory of relativity l appendices and tables.