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does a single external force acting on a particle necessarily changes its momentum and kinetic energy

does a single external force acting on a particle necessarily changes its momentum and kinetic energy

Grade:11

3 Answers

Mujahid Ahmed
42 Points
8 years ago

No, not necessarily.

If only one force is acting and it is perpendicular to the velocity of body, it will not change the velocity and thus, no effect on momentum or K.E.

Approve if i helped :)

Himanshu Sharma
31 Points
8 years ago

Yes as force = change in momentum per unit time therefore force must change a body''s momentum and hennce kinetic energy.

 

Please approve.....Smile

Salim Shamim
37 Points
8 years ago

Himanshu Sharma is right, not the first one , so freind you must recheck

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