When body is at rest or it is in uniform motion, no force act on it.

1.	When body is at rest or it is in uniform motion, no force act on it.
Answer» SOLUTION :Whebnbodyisatrestor inuniformmotiongravitationalforceacton it. Forceslikefrictionforceviscousforceact ONBODY. Whenobjectis at restinuniformmotionon it iszero. l Considerbookat RESTON horizontalsurfacefollowingforceact on its. Herebookis atresthenceW=R Actuallyit SHOULDBE likethisconsideringbookat restbyNewtonfirstlawof motionresultantof externalforceactingon bodymustbe zerothissuggestthatnormalforceand weightshouldbeequaland inoppositedirection

Discussion