Uniform circular motion
Answers are for parents and teachers.
1
A point covers a 24 m arc in 8 s. Linear speed (m/s)?
3
2
On a circle of radius 3 m a point covers a 9 m arc. What is the angle of rotation in radians?
3
3
The radius turns 10 rad in 5 s. Angular velocity (rad/s)?
2
4
Give three examples of uniform circular motion, like a carousel.
For example: a clock-hand tip, a turning wheel, a fan blade.
5
Why must you stay away from rotating wheels or rides without adult supervision?
Fast rotating parts can cause injury.