Physics Two Dimensional Motion Question 27
Question: 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
[IIT 1987]
Options:
A) Velocity is constant
B) Acceleration is constant
C) Kinetic energy is not necessarily constant
D) It moves in a circular path
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Answer:
Correct Answer: C
Solution:
In the given condition, the particle undergoes uniform circular motion and for uniform circular motion the velocity and acceleration vector changes continuously but kinetic energy is constant for every point.
BETA
