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Grade: 12th pass
        
A particle is acted upon by a force of constant magnitude which is always perpendicular to the velocity of the particle. The motion of the particle takes place in a plane. It follows that :
a) its velocity is constant
b) its acceleration is constant
c) its kinetic energy is constant
d) it moves in a circular path.
3 years ago

Answers : (3)

bharat bajaj
IIT Delhi
askIITians Faculty
123 Points
							As no force is acting in direction of velocity.. there would b no change in velocity.. a) is correct
Also it moves in circular path.. d)

Thanks
BHARAT BAJAJ
Askiitians faculty
3 years ago
Unknown
13 Points
							F=mrw^2F=mv^2/rNow F IS CONSTANTThus,mv^2/r is constantNow r will be constant Thus mv^2 is constantThis implies Kinetic energy I.e. mv^2/2 is also constantHere velocity and acceleration will not be constant since velocity is a vector quantity and in a circular motion velocity will keep changing
						
6 months ago
Sonia
12 Points
							A particle is acted upon by a force of constant magnitude which is always perpendicular to the velocity of the particle. The motion of the particle takes place in a plane. It follows that :c) its kinetic energy is constant
						
6 months ago
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