A child is twirling a 0.0120 kg ball on a string in a horizontal circle whose radius is 0.100 m. The ball travels once around the circle in 0.500 s.
(a) Determine the centripetal force acting on the ball.
Weight of the ball = 0.012 Kg
<br>Radius of the Circle = 0.1 m
<br>Time taken by the ball to travel around the circle = 0.5s
<br>Centripetal Acceleration is calculated by the formula:
<br>a = v^2/r
<br>We know that r = 0.1m
<br>We need to calculate the speed of the ball.
<br>If the radius of the circle is 0.1 m, then we know that the circumference or the length of the circle is given by: ...
If the speed is doubled, does the centripetal force double