Centripetal force, illustration. A hand spins a ball in a circle on the end of a string, demonstrating centripetal force. Centripetal force is a force that makes a body follow a curved path. Newton's First Law states that an object will continue in a state of rest or uniform motion in a straight line unless acted upon by a force. In this demonstration the hand exerts a force on the string which pulls the ball towards the centre. This centripetal force prevents the ball from continuing in a straight line. The force required is equal to the product of the ball's mass (m) and the square of its velocity (v), divided by the radius of its path (r). | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library |
Bildgröße: | 4245 px × 4245 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |