16 questions and answers in this section

Sports and Recreation » Individual Sports

Explain why do squash players regularly change balls during a match?

Explain why do squash players regularly change balls during a match?

A squash ball is a small hollow sphere filled with air at a specific pressure. As it is hit hard against the walls and the...

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Explain why does the ball bounce so high in table tennis?

Explain why does the ball bounce so high in table tennis?

A table tennis ball is made mainly of plastic, more specifically of synthetic materials like polypropylene or ABS, which gives it its characteristic lightness. It...

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Explain why some swimmers shave their bodies before a race.

Explain why some swimmers shave their bodies before a race.

Hairs create small turbulences around the body when swimming, which increases resistance in the water. By removing this fine layer of hair, the skin becomes...

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Explain why did ancient Greeks used to cover themselves in olive oil before sports competitions?

Explain why did ancient Greeks used to cover themselves in olive oil before sports competitions?

The ancient Greeks used olive oil as a natural protective layer that helped preserve the skin's moisture under the scorching sun. Additionally, it limited minor...

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Explain why speed skaters wear tight-fitting suits in competition?

Explain why speed skaters wear tight-fitting suits in competition?

Speed skaters wear very tight suits for a good reason: to glide quickly without being slowed down by air. The more a suit floats or...

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Explain why high jumpers use a back roll technique during their jump?

Explain why high jumpers use a back roll technique during their jump?

To clear a great height, everything revolves around the center of gravity, that famous natural balance of the body. The backflip technique allows the jumper...

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Explain why golfers use different types of clubs on a course?

Explain why golfers use different types of clubs on a course?

A classic golf bag essentially contains three main families of clubs: woods, irons, and the putter. The woods (including the famous driver) are used to...

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Explain why javelin throwers use a specific rotation technique during their throw?

Explain why javelin throwers use a specific rotation technique during their throw?

Javelin throwers use rotation to optimize the energy generated by their bodies. By executing this precise rotational movement, they accumulate a kind of momentum through...

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Explain why some tennis players scream when they hit the ball?

Explain why some tennis players scream when they hit the ball?

When players hit the ball, they often exhale forcefully to release muscle tension generated by intense effort. This quick exhalation allows for better contraction of...

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Explain why the presence of elastane in sports clothing promotes athletes' freedom of movement.

Explain why the presence of elastane in sports clothing promotes athletes' freedom of movement.

Elastane has an exceptional elasticity that can stretch several times its original length without deforming. As it is highly stretchable, this fabric naturally follows the...

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