Sentence examples for a spherical ball from inspiring English sources

The third perception was that a spherical ball was the optimal projectile.

Experiments were performed to observe the variation in the frictional force as a spherical ball slides across a grooved surface.

For most of the world, football is played with a spherical ball, and the operative word is "foot". Except for goalies, the big idea is for players to advance this spherical ball using anything but their hands.

This paper proposes a novel evaluation method based on the cyclic spherical indentation (CSI) test, which uses successive indentations of a spherical ball onto a coated specimen to induce the detachment of the coatings along the interface.

The game is played using a spherical ball of 68.5 69.5 cm circumference, known as the football (or soccer ball).

Association football, more commonly known as football or soccer, is a sport played between two teams of eleven players with a spherical ball.

Mechanical forces are critical to embryogenesis, specifically, in the lineage-specification gastrulation phase, whereupon the embryo is transformed from a simple spherical ball of cells to a multi-layered organism, containing properly organized endoderm, mesoderm, and ectoderm germ layers.

In the same way that Venus is more than a bare spherical ball of rock, at least some of these exoplanets are likely to be dynamic, to have atmospheres and oceans and ice.

Males and females also have a "flank" display preceding copulation, where both birds fluff out their flanks to the point that they are a nearly spherical ball of feathers (Harris 2009).

The Sun is a nearly perfect spherical ball of hot plasma, with internal convective motion that generates a magnetic field via a dynamo process.

In order to meet these shortcomings, we have presented a handy motion driven electromagnetic energy harvester that also uses impact based frequency up-conversion mechanism; but instead of direct impact, it utilizes transverse impact by a freely movable spherical ball.