Question

define term moment of force about a point state its dimensions and SI unit

Answer 1

$\huge\red{As-Salamu-Alykum}$

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$\huge\pink{Moment of force}$

Moment of force is also called torque

IT is defined as :-

The product of force and displacement .

OR

The turning effectnproduct in a body that cause rotation in a body is called moment of force.

$\huge\orange{Mathematically :-}$

Torque = F×d

Torque = Fd sin theta

$\huge\blue{Unit}$

Its unit is :-

Torque = F×d

Torque = Nm

OR

Torque = kgm/s^2 .m = kgm^2/s^2

$\huge\purple{Dimension:-}$

Torque = kgm^2/s^2

Torque =[ML^2T_^2]

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$\huge\red{INSHALLAH it will help U}$

Answer 2

Moment of a Force (Torque):

It is equal the product of the magnitude of the force and the perpendicular distance of the line of action of force from the axis of rotation. It is a vector quantity.