Definition of mass - Amount of matter in an object, Definition of weight - Gravitational force exerted on an object, Definition of pressure - Force acting per unit area, Formula of pressure - p = F / A, SI units: Pa or N m-2, Definition of work done - Product of force and distance moved in direction of force, Formula of work done - W = F x d, SI units: J or N m, Formula of gravitational potential energy - Ep = mgh, SI unit: J, Formula of kinetic energy - Ek = 1/2 mv2, SI unit: J, Formula of power - P = W / t, SI units: W or J s-1, Definition of power - rate of work done or rate of energy conversion,

09 Applications of Forces and Transfer of Energy [definitions and formulas]

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