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Turn(ing) the ball: To apply axis rotation, sometimes called side rotation. Motion of modern bowling balls is thought to be better controlled using finger rotation without elbow rotation. [20] Turn finger: The ring finger, so named because when positioned behind the ball and turning it slightly at delivery, increases axis rotation and axis tilt.
Finger rotation surrounding the instant of delivery can induce axis rotation (side rotation), causing the ball to hook (curve). In the sport of ten-pin bowling, there are many different ways in which to deliver (known as a "throw" or "roll") the bowling ball in order to advance it toward the pins in an accurate and powerful manner. Generally ...
Ball contacts the 1, 3, 5, and 9 pins (sequentially tinted red) to achieve a strike. Ten-pin bowling is a type of bowling in which a bowler rolls a bowling ball down a wood or synthetic lane toward ten pins positioned evenly in four rows in an equilateral triangle. The objective is to knock down all ten pins on the first roll of the ball (a ...
A bowling ball is a hard spherical ball used to knock down bowling pins in the sport of bowling . Balls used in ten-pin bowling and American nine-pin bowling traditionally have holes for two fingers and the thumb. Balls used in five-pin bowling, candlepin bowling, duckpin bowling, and European nine-pin bowling have no holes, and are small ...
The Magnus effect, depicted with a backspinning cylinder or ball in an airstream. The arrow represents the resulting lifting force. The curly flow lines represent a turbulent wake. The airflow has been deflected in the direction of spin. The topspinning cylinder "pulls" the airflow up and the air in turn pulls the cylinder down, as per Newton's ...
The axis of rotation on a slurve will still be more or less perpendicular to the flight path of the ball; unlike on a 12–6 curve, however, the axis of rotation will not be parallel to the level ground. With some pitchers, the difference between curveball and other pitches such as slider and slurve may be difficult to detect or even describe.
v. t. e. Rotation around a fixed axis or axial rotation is a special case of rotational motion around an axis of rotation fixed, stationary, or static in three-dimensional space. This type of motion excludes the possibility of the instantaneous axis of rotation changing its orientation and cannot describe such phenomena as wobbling or precession.
Rotation or rotational motion is the circular movement of an object around a central line, known as axis of rotation. A plane figure can rotate in either a clockwise or counterclockwise sense around a perpendicular axis intersecting anywhere inside or outside the figure at a center of rotation. A solid figure has an infinite number of possible ...