Write the differences between conservative and Non - conscrvative force. Give two examples each.

Explanation

(i) for direction , the vector rule or right hand rule is used . ` t = r F sin theta`
(ii) The expression for the magnitude of torque can be written in two different ways by associating ` sin theta ` either with r or F in the following manner.
` t = r ( F sin theta) r xx ( F bot)`
` t = ( r sin theta ) F = ( r bot) xx F`
(iii) Here, ` F( sin theta)` is the component of ` vecF` perpendicular to ` vecr ` . Similarly (` r sin theta)` is component of ` vecr` perpendicular to F.