As the point where the ball strikes the racket becomes closer to the center of mass, the distance from the axis of rotation will decrease. The center of percussion is often discussed in the context of a bat, racquet, door, sword or other extended object held at one … Referred to as the Let’s now take a quick look at what happens from a mechanical standpoint. The center of percussion is commonly regarded as a sweet spot when referring to a baseball bat or a tennis racquet because it is assumed that there will be no sudden motion of the handle with respect to the hand if the corresponding axis of rotation passes through the hand. By continuing to use our site, you agree to our use of cookies.Each year, tennis players from around the world compete at the U.S. Open, one of the oldest and largest tennis tournaments. (O) or Center of Percussion (A), its natural frequency remains the same. Published Online: 13 April 2004 The Center-of-Oscillation is the length of a simple pendulum that gives the same period as the real object. Try hitting the ball with the grip to pass it over the net. Note that P, the rotation axis, need not be at the end of the beam, but can be chosen at any distance For the special case of a beam of uniform density of length It follows that the CP is 2/3 of the length of the uniform beam For example, a swinging door that is stopped by a doorstop placed 2/3 of the width of the door will do the job with minimal shaking of the door because the hinged end is subjected to no net reactive force.
The center of percussion is commonly regarded as a sweet spot when referring to a baseball bat or a tennis racquet because it is assumed that there will be no sudden motion of the handle with respect to the hand if the corresponding axis of rotation passes through the hand.
Thus, the optimal point is determined by a combination of high impact speed and good momentum transfer properties.We have now gained insight into the physical meaning behind the three well-known sweet spots of a tennis racket. and you may need to create a new Wiley Online Library account.Enter your email address below and we will send you your usernameIf the address matches an existing account you will receive an email with instructions to retrieve your username
To set up the analysis of the problem draw a schematic of a general rigid body swinging in the plane about a fixed pivot point P , which is assumed to be frictionless. Cited by This is not only determined by the mathematics of sweet spots.
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