1.

"Wearing helment and fasteningthe seat belt is highly recommendedfor safe jorney". Justify your anwerusing Netwon's laws of motion.

Answer»

SOLUTION :(i) Whileyou are travellingin a bike or in a car , when a sudden brake is applied , the upper part of your body LEANS in the forward DIRECTION .
(ii) Similarly , when the vehicle is suddenly move forward from rest , you LEAN backward. This is due to, any body would like to continue to be in its state of restor the stateof motion .
(iii) Newtonslaw of inertiatakes place . So wearinghelmet and seat beltswhile drivinga car are HIGHLY recommendedfor a safe journey .


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