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they wear a swim cap to reduce drag
To ensure there is as little friction or drag as possible for example the streamlined helmets that bicyclists wear or the full body swim suits that are becoming popular for swimmers. Swimmers also shave body hair to streamline their bodies and reduce drag.
A car will have aerodynamic features to reduce forces of friction and drag. A sleek body style will help do this.
A cap slap is a sound made by a swim cap hitting the water forcefully during swimming. It's a technique used by swimmers to stay streamlined and reduce drag in the water.
Make sure that all you gear is close into your body making you more streamlined, don't let hoses dangle. Also a good horizontal body position helps.
Because that helps to reduce 'drag' and lets the aircraft move faster.
Shaving his head/wearing swim cap, shaving body/facial hair, wearing speedo.
don't drag it copy and paste it
Your head should be looking down at the bottom of the pool, Your body should be in a streamline position to create as little drag as possible.
all penguins have a streamlined torpedo shaped body to help reduce drag while swimming, this increases their speed
It reduces the drag of his or her, guys shave too, legs or arms
Drag is caused when there's resistance.... you vs. the wind. To reduce drag, wear tight clothing. Ever noticed how swimmers wear the tightest swimsuits they can, and put their hair in a cap? It's to keep the water from catching on their suit or hair. That's drag. The same is true for walking, running, or biking (although you'd look pretty foolish walking around in a swimsuit, of course!)