“Momentum and changes in momentum are not always in same direction”. Explain by suitable example.

“Momentum and changes in momentum are not always in same direction�

1.	“Momentum and changes in momentum are not always in same direction”. Explain by suitable example.
Answer» Solution :Whenendof stringis tiedto stoneand itiswhirledin horizontalplanemagnitudeofmomentumremainsamebutdirectionofmomentum iscontinouslychanging. To changedirectionof momentumforceisrequiredwhichis suppliedby HAND . to changemomentumby largermagnitudelargerforceis TOBE APPLIED Dutto thispropertyNewtonsecondlaw isobtained.