9. State one way to obtain a greater moment of a forceabout a given ax

1.	9. State one way to obtain a greater moment of a forceabout a given axis of rotation.
Answer» Moment of force is also called Torque represented by $\tau$ . It can be defined as the PRODUCT of force and perpendicular distance between the line of force and axis of ROTATION . Torque = Force × Perpendicular distance In vector FORM , $\tt \vec{\tau} = \vec{r}\times \vec{f}$ The moment of force , hence , BECOMES DIRECTLY proportional to the force and perpendicular distance . Therefore , to increase moment of force , following of the two could be done : 1) The magnitude of the force could be made larger . 2) The distance between axis of rotation and line of force could be increased . SI unit of torque is Nm .

9. State one way to obtain a greater moment of a forceabout a given axis of rotation.

Answer»

Moment of force is also called Torque represented by $\tau$ .

It can be defined as the PRODUCT of force and perpendicular distance between the line of force and axis of ROTATION .

Torque = Force × Perpendicular distance

In vector FORM ,

$\tt \vec{\tau} = \vec{r}\times \vec{f}$

The moment of force , hence , BECOMES DIRECTLY proportional to the force and perpendicular distance .

Therefore , to increase moment of force , following of the two could be done :

1) The magnitude of the force could be made larger .

2) The distance between axis of rotation and line of force could be increased .

SI unit of torque is Nm .

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