A rogidbody of radiusof gyration k andinclinedplaneat an anglethetawithhorizontal. Calculateits acceleration andthe frictional force actingon it . Alsofindthe expressionsfor velocity as it reachesthe lowestpoint and thetime takento reachthe lowest point.

A rogidbody of radiusof gyration k andinclinedplaneat an anglethetawit

1.	A rogidbody of radiusof gyration k andinclinedplaneat an anglethetawithhorizontal. Calculateits acceleration andthe frictional force actingon it . Alsofindthe expressionsfor velocity as it reachesthe lowestpoint and thetime takento reachthe lowest point.
Answer» Solution :WHENTHE body is placedon theinclinedplane , it tries to slipdown and henceastaticfrictionfactsupwards. Thisfriction providesa torquewhichcausesthe bodyto rotate . Let `ALPHA` be thelinear ACCELERATION of CENTREOF mass and `alpha ` be theangular accelerationof the body. From forcediagram :