Define torque and mention it’s unit. Give any two examples of torque in day-to-day life.

Explanation

Torque is defined as the moment of the external applied force about a point or axis of rotation.
`vec(tau)=vec(r)+vec(F)=(rFsintheta)hat(n)`, Unit is Nm.
Examples of torque in day-to-day life:-
(i) Opening and closing of a door about the hinges.
(ii) Turning of a nut using a wrench.
(iii) Opening a bottle cap (or) water top.