1. Physical Quantity Physics is the branch of science that deals with the natural laws in mathematical terms that determine the structure of the universe with reference to the matter and energy contained in it and their interactions. It is so broad that nature and behavior of atoms and subatomic particles and their...
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Pressure Pressure is defined as the force per unit area. It is a scalar quantity. Its SI unit is N/m 2 or Pascal (Pa). If the force of ... -
Force Force is the external agent which changes or tries to change the state of rest or motion of a body. It is also called pull or pu... -
Energy: Energy is defined as the capacity to do work. Energy is a scalar quantity. The SI unit of energy is joule (J) and erg in CGS syst... -
4. Heat and temperature Heat is a form of energy that produces the sensation of warmth and flows from hot body to cold body. It is pro... -
1. Physical Quantity Physics is the branch of science that deals with the natural laws in mathematical terms that determine the struct...
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