In SI units,kg m^2 s^{-2} is equivalent to wh | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(C) The unit $kg m s^{-2}$ represents a newton $(N)$,which is the unit of force.The unit $kg m^2 s^{-3}$ represents a watt $(W)$,which is the unit of

Vedclass · Accepted Answer

joule

Vedclass · Answer

(C) The unit $kg m s^{-2}$ represents a newton $(N)$,which is the unit of force.The unit $kg m^2 s^{-3}$ represents a watt $(W)$,which is the unit of power.The unit $kg m^2 s^{-2}$ represents a joule $(J)$,which is the unit of work or energy. Work is defined as force multiplied by displacement $(W = F 	imes d)$. Since force is $kg m s^{-2}$ and displacement is $m$,the unit of work is $(kg m s^{-2}) 	imes m = kg m^2 s^{-2}$.The unit $kg m^{-1} s^{-2}$ represents a pascal $(Pa)$,which is the unit of pressure. Pressure is defined as force divided by area $(P = F / A)$. Thus,the unit is $(kg m s^{-2}) / m^2 = kg m^{-1} s^{-2}$.

In $SI$ units,$kg m^2 s^{-2}$ is equivalent to which of the following?

Similar Questions

Which one of the following is a dimensionless physical quantity?

The dimensional formula for impulse is

The dimensional formula of angular impulse is:

List at least six physical quantities that have the dimensional formula $ML^2T^{-2}$.

The dimensions of pressure are

Vedclass Test Series

Exam Paper Generator

Online Exam Module