A textbook of physics, Volume 1

acceleration aerofoil aeroplane angular velocity atmospheric pressure axis balance barometer beam body Boyle's law calculate called centre of gravity centre of mass circular coefficient column component compressed constant corresponding cross-section curve cylinder deflection density direction displacement distance dynes earth elastic element equal equation equilibrium equipotential surfaces experiment fluid forces acting friction glass greater Hence horizontal imparted inclined increase inertia irrotational kinetic energy layer length liquid load magnitude means measured mercury millimetre molecules motion moving particles path pendulum perpendicular piston plane plate position proportional pulley pump radius ratio resistance resultant right angles rope rotation scale-pan screw shape shown in fig smaller specific gravity stream-lines stress surface tension theorem thread thrust tube unit vector velocity potential vertical vessel viscosity volume vortex vortices weight wheel wire Young's modulus zero