Which of the following five quantities is NOT an expression for energy? Here, m is mass, g is the acceleration due to gravity, h and d are distances, F is a force, v is a speed, a is an acceleration, P is power, and t is time. O 0.5my? O Pt O mgh O ma Fd

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Units and Dimensions

These are generally defined as the terms which precede or describes the dimensions further. These are also further divided into two parts namely fundamental units and the derived units.