A body continues to move along the same straight line some external force compels it to change its direction of motion Rather the body moving along a straight line opposes the force that tries to change its straight line the path This is well known property of inertia of direction Read the above passage and answer the following questions:
(i) Mud guards over the wheels of an auto save us from mud .How ?
(ii) What are the implication of this study in day to day life?

Explanation

(i) The function of mud guards over the wheels of an auto is based on inertia of direction When the auto happens to pass through mud the mud particles fly along the tangent to the weels Theyare stoped by the mud gurads before they spoil our cloths.
(ii) In day to day life we find that some external effort in the form of motivation is always required to change any of our usal routine/habits If we are used to some sort of seting/convenience we ourselves resist the effort/motivation for change Consistent efforts and motivation are essential for bringing about any change .