Q1. A particle is revolving in a circle increasing its speed uniformly. which of following is constant ? and why? and why not? explain the all four of option.
A) centriprtal force
B)Tangential accerelation
C)Angular acceleration
D) angular as well as centriptal
Asked by futureisbright051101
15th January 2018,
8:15 AM
Answered by Expert
Answer:
A) Centripetal force is not constant. Centripetal force directly proportional to square of speed and speed is increasing uniformly
B) Tangential acceleration is constant because speed along the circular path increases uniformly. Only constant acceleration will give uniform increase of speed.
C) Angular accleration is also constant. Tangential acclelration is the product of angular acceleration and radius of circular path. If the particle is restricted to move in the circular path of constant radius, then Angular acceleration is constant.
D) already explained
Answered by Expert
15th January 2018,
3:17 PM
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