NTA Abhyas JEE Main2020PhysicsLaws of MotionPractice
For a particle in a uniform circular motion, the acceleration a → at a point P R , θ on the circle of radius R is (here θ is measured from the y -axis)
Options
- Av 2 R i ^ + v 2 R j ^
- B- v 2 R cos θ i ^ + v 2 R sin θ j ^
- C- v 2 R sin θ i ^ - v 2 R cos θ j ^
- D- v 2 R cos θ i ^ - v 2 R sin θ j ^
Correct answer
C. - v 2 R sin θ i ^ - v 2 R cos θ j ^
Step-by-step solution